baby · child development · health · parenting

Why Does My Baby Shake With Excitement?

Recently I’ve noticed that when Little Man gets excited, he goes through a very specific set of behaviours. He will raise both arms up and out wide, lean in with wide eyes, and start shaking. This could happen over a new and exciting toy, a new experience such as when we first took him to the seaside and dipped his toes in the ocean, or even a new food. It’s such a rapid shaking, it’s almost like he’s vibrating with excitement. This got us a bit worried… Why does my baby shake so much when he gets excited?

Shaking when excited

We’ve all heard the phrase “shaking with excitement”, but I have to admit I assumed it was a metaphor until I had a baby. It’s almost as if he gets so excited that he just can’t contain himself! Now, I know that babies do lots of things that seem weird (like staring at lights, or crawling backwards) but are actually totally normal. So, is it normal for babies to shake with excitement?

Is it normal for babies to shake with excitement?

Yes! It’s very common. It’s to do with baby’s developing nervous system. Their nervous system sends too many electrical impulses to the muscles and they get all twitchy. It’s normal for babies to shake with excitement, when they see someone they know or a favourite toy.

Some babies may also display shuddering or shaking at seemingly random times. No-one really understands the cause of this infant shuddering, but it’s not harmful and usually goes away by the time they’re four years old.

If baby is otherwise healthy, developing well and meeting his or her milestones, then there’s probably nothing to worry about if he or she tends to shake with excitement. Life is just that exciting when everything’s new!

When to get worried about baby’s shaking movements

Of course, as parents it’s natural to worry. Shaking can be evidence of a seizure, but there are some specific seizure warning signs to look out for:

  • If shaking continues for over 20 seconds
  • If the shaking movement is accompanied by vomiting, unusual eye movements, or loss of consciousness
  • If it’s associated with illness or injury, or if baby sleeps for a long time afterwards

If you notice any of these signs, you should seek medical help urgently.

Ultimately, you know your baby best, so even if you don’t spot any of the warning signs, if you think it’s time to call the doctor or NHS 111, then do it. It may help (if you think of it at the time) to take a video of the shaking behaviour that’s worrying you, to show your health professional.

why does my baby shake with excitement is it normal
baby · child development · parenting

Why Is My Baby Crawling Backwards?

If you follow me on Instagram (and if you don’t, you should – @sicklymama), you will have seen that Little Man has started crawling. There’s just one problem… My baby is crawling backwards. And he doesn’t mean to. He’s trying to go forwards.

So he gets very angry as he tries to reach a toy or something in front of him, and instead finds it getting further and further away.

Another novel approach that he has taken to attempting to crawl is the “skydiving pose“, where he lies on the floor and lifts all his hands and legs off the ground at the same time. Not sure how he thinks that this is going to result in locomotion, but he does get very frustrated when it does not.

Now, I posted about this on Instagram and other mums commented that their babies had also crawled backwards before going forwards, which was reassuring as I had been concerned that my baby was quite literally backwards. So, of course, I did some Googling. I always love learning about child and baby development!

Why is my baby crawling backwards?

The internet suggests that babies tend to crawl backwards first when they feel stronger on their arms than their legs. It’s interesting because I’m sure this is not the case for Little Man. His legs are super strong and he’s able to support his own weight standing with just a little help from mum or dad to steady his balance. About two months ago, we thought the main thing standing in his way was his lack of upper body strength, ironically.

But he hasn’t worked out yet how to put power down through his legs when trying to crawl. They just sort of flail wildly behind him, usually in the air. He sort of reminds me of a penguin, the way they scoot along on their bellies.

Is it normal for my baby to crawl backwards instead of forwards?

All the baby sites say not to worry about backwards crawling, or even if baby skips crawling altogether. So if your baby crawls backwards but not forwards, don’t worry! It’s totally normal and, let’s be honest, slightly hilarious.

We’ll just wait and see if Little Man works out how to go forwards, or if he just decides to make the most of going backwards…

How long will my baby crawl backwards for?

Update! I’ve come back to this post a few months down the line. I’m writing this in early September – Little Man is now crawling forwards and has already started pulling himself up and trying to walk. But in case anyone reading this is wondering how long baby will crawl backwards for, I thought I’d share an update. Little Man ended up crawling backwards for around 6 – 8 weeks (between the age of 5 month sand 7 months) before he cracked it and finally started going forwards. That’s not too say that it would be the same for your baby, but just to give you an idea!

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baby · child development · parenting

Why Is My Baby’s Hair Falling Out?

When Little Man was born and they handed him to me for his first cuddle, one of the first things that really struck me was his hair. He had a pretty good head of hair for a newborn, but the thing that really surprised me was how wavy it was. I was convinced that when it grew longer he would have a head of lovely corkscrew curls.

For the first couple of months, debate raged about what colour his hair was. Blonde? Ginger? Strawberry blonde? There are several redheads in the family, who were pretty invested in the idea of him joining their number.

And then… The hair on one side of Little Man’s head started disappearing. Then the hair on the other side. And finally the hair on top. It’s now grown back to about it’s original thickness – but it’s much blonder, and straighter. It looks totally different, except for right at the nape of his neck, where there’s a little patch of wavy ginger hair still hanging on. See below for photos!

why is baby's hair falling out before and after photos the sickly mama
Little Man’s hair – before and after

So… What the heck happened? Why was my baby’s hair falling out, and why did it grow back different? I love finding out about child and baby development, so I had to get a’Googling!

Why does babies’ hair fall out?

It’s totally normal for babies to lose all the hair they were born with, during the first six months. It’s thought that this is to do with changing hormones inside their body once they’re no longer sharing mum’s pregnancy hormones. In fact, baby’s hairloss may be caused by the same hormonal shift that causes post-partum hairloss for mum.

Baby’s hair falling out can also be affected by sleeping position, from the friction of baby’s head rubbing against mattresses etc. That’s probably why Little Man lost the hair on his right side first – he much prefers to sleep on that side.

How long before baby’s hair grows back?

Baby’s hair will grow back, but when that happens varies from child to child. Some babies have a full new head of hair by six months, while for others it can take until as late as three years old. For some babies, the hair grows back as it’s falling out, so you may not even notice much of a change.

Most experts agree that by the end of the first year, most of baby’s lost hair will have grown back.

Why does my baby’s hair look different now it’s grown back?

I haven’t been able to find the answer to this one! Lots of sites note that baby hair often grows back a different texture/colour/both, but are silent about why this happens. Do you know? Let me know in the comments!

birth · health · parenting · post-partum · pregnancy

Post-Partum Body Bullshit

After having a baby, you expect to have a tummy and some weight to lose. That much is expected! But there’s so much weird body stuff that lingers after pregnancy that I didn’t really know about. I suppose that other than the weight, possible stretch marks, and any scars from c-sections or episiotomy etc., I assumed everything else would go back to normal. Oh, how wrong I was!

And even though some of it is minor in the grand scheme of things, I think it’s still okay to find it difficult that your body has changed in ways you weren’t expecting. So, I thought I’d write about it…

Post-Partum Body Bullshit: Weird Stuff Your Body Does After Pregnancy

Post-Partum Hairloss

This one is the worst! I have had issues with hair loss for over ten years, thanks to my pituitary issues. For the last four years or so, since my symptoms have mostly been under control with medication, my hair has been growing back slowly, although it’s still a bit patchy in places. But when I was pregnant, my hair improved so much! It got thick and shiny and generally great. In fact it was pretty much the only good thing about being pregnant (other than getting the baby at the end, obviously!)

Hair tends to get thicker during pregnancy, but not because you’re growing more hair – actually, it’s because it’s falling out less. Strange but true. Of course, what that means is that sooner or later, your scalp needs to catch up on all the hair it would normally have lost during those nine months of pregnancy. Enter post-partum hair loss, which normally kicks in about three months after giving birth.

Even though I know it’s totally normal, I’m still finding it a bit stressful to be pulling handfuls of hair out of my hairbrush on a regular basis. It just takes me back to when my own hair loss was really really bad before my tumor was diagnosed, which was a horrible, stressful time.

Annoyingly, my amazing pregnancy lips, which to be fair also looked great and incredibly plump during pregnancy, vanished almost as soon as Little Man was out! Now I’m back to relying on lipstick again…

Moles and Skin Tags

I’ve always had a lot of moles and freckles, but when I got pregnant they went into overdrive! New moles and skin tags appeared everywhere, often seemingly overnight, and they’re still here four months after having had the baby. They particularly seem to have arisen on my chest, back, and belly. Existing moles have also grown, and in some cases turned kind of scaly (ew, sorry).

The development of moles and skin tags in pregnancy is associated with all the oestrogen sloshing around your body. I’ve had my moles checked over by a doctor and she’s said that the changes appear normal and nothing to worry about. But I can’t help but be unimpressed with this new weird bobbly skin.

Weird Tan Lines

So there’s a thing that happens in pregnancy called the linea nigra, a dark line of hyperpigmented skin that runs down your belly. Typically it shows up around the second trimester, caused by pregnancy hormones oestrogen and progesterone, which stimulate the production of melanin in your skin. You may also notice skin darkening on your face and elsewhere as a result of the same process.

When you read about linea nigra online, most sites say it should disappear a few months after delivery. Well, I’m four months out and mine hasn’t faded a bit despite not getting any sunshine. And there doesn’t seem to be much consensus on what to expect, because some other sites say that the line may take a year to fade – or never go away at all.


As well as my linea nigra, I seem to have developed a patch of unpigmented skin on the right hand side of my belly. I’m quite pale so it’s not super noticeable, but it’s big enough that you can see it if you look for it. I haven’t found anything online that suggests that this is a thing which happens with pregnancy, but it definitely wasn’t there before!

What weird post-partum side effects have you had? Let me know in the comments!

fatigue · health · hypermobility · parenting · pituitary

Fatigue vs. Tiredness (It’s Not The Same Thing!)

The other day, I was sat with Little Man on my lap I’m the evening. This is, of course, a common occurrence. He’d been very difficult all day with an upset tummy and teething pain. I’d just been playing on the floor with him to distract him, doing tummy time and walking practice and licking Mr Bun Bun (the best part of playtime, of course). I sat back down with him in the armchair, and five minutes later I completely ran out of energy. And I knew I’d overdone it.

I get tired like everyone else, but I also get fatigued, thanks to my medical conditions, and although they sound similar, they’re not the same thing. These days I’m pretty good at managing my activity levels to avoid getting fatigued, but being a parent creates a new challenge in that respect, as you can’t plan for when the little man decides to kick off! So, what are the differences between normal tiredness and fatigue? How can you tell them apart?

Fatigue vs. Tiredness

How is fatigue different from tiredness?

I think a lot of people who haven’t had a chronic illness think that having fatigue is the same as being tired. Which is understandable if it’s not something you’ve experienced! Fatigue does indeed involve feeling tired, but also often includes:

  • Aching muscles
  • Difficulty concentrating or “brain fog”
  • Feeling physically weak
  • Difficulty with decision making
  • Slow responses
  • Poor memory

Plus, the sensation of tiredness/exhaustion is often quite extreme.

As well as having more extensive and severe symptoms than tiredness, fatigue is different in terms of what causes it and how you fix it. It can be caused by long-term illness, including mental illness, or stress.

Most significantly, it often doesn’t resolve with sleep, and the feeling of tiredness is disproportionate to the level of activity you’ve been doing. As a result, it can be quite tricky to understand where your limits are and not go too far. In my case, the other day I was completely surprised that I had apparently overdone it and hit a fatigue wall. I felt like hadn’t had much more of a strenuous day than usual, but obviously it was enough to tip me over the edge.

My experience of fatigue

Firstly I should say that I’m fortunate because my fatigue has improved a lot over the past few years. I first experienced fatigue when I had glandular fever at university and afterwards was left with post-viral fatigue syndrome for a number of months. Then once that started improving, my pituitary tumour started giving me more symptoms…including fatigue!

It’s gradually improved since my second pituitary surgery, when I started taking medication to treat my tumour (lanreotide). The improvement has been so slow as to be imperceptible, but looking back five years it’s a huge change in retrospect. I think as well that I’ve got much better at managing my fatigue in general. I can usually do a busy day or a late night, as long as I have nothing to do the next day. I’m also fortunate that my husband is really helpful at understanding and helping me manage my symptoms.

For me, it’s about ensuring enough downtime around periods of activity. It doesn’t need to be sleep necessarily, but just rest time without much physical or mental exercise. For instance, if I’m doing housework, I need to make sure I sit and have a short break every 15 – 20 minutes or so. If I don’t, I can end up so exhausted I’m useless for the rest of the day. When I got married, my husband had to act as a consultant for my bridesmaids organising my hen do, to ensure that it was enough of a balance of things that I’d be able to make it to the end!

When I’m tired, I can usually power through. Also, even severe tiredness tends to come and go over time, so I’ll feel better for half an hour before the tiredness hits again. When I’ve got to the point of being fatigued, though, there’s no powering through. I am completely useless.

What’s your experience of fatigue? Let me know in the comments!

tiredness vs fatigue they're not the same thing the sickly mama blog
baby · child development · colic · parenting

Why Are Babies’ Digestive Systems So Utterly Useless?

I can’t be the only parent who has looked at their beloved baby, covered in vomit at 4am after waking up crying because of trapped wind, and wondered… Why are babies born with such completely useless digestive systems? Are we the only mammal this bad at eating and pooping? Do baby monkeys get colic? And when will my child finally be able to get through a day without continuously leaking milk curds from the sides of his mouth like a pint-sized Vesuvius?

Reflux and Spitting Up

In young babies, the lower oesophageal sphincter, which separates the stomach from the oesophagus, is weak and immature, and consequently does a terrible job of keeping the contents of baby’s stomach where they’re supposed to be.

Additionally, it can take a while before baby’s stomach gets into the swing of it’s normal squeezing pattern, meaning that milk may sit in the stomach longer than normal.

The good news is that reflux should subside in around four to twelve months!

Painful Wind

Babies are rubbish at eating properly, so they take in a lot of air when feeding. Then because they just lie around like lazy little beached porpoises all day, they can’t easily eliminate the gas via the normal route of burps and farts.

Tiny bubbles of gas then cause pressure and stomach pain. And that causes very grumpy babies. Here’s the irony: crying babies also often take in excess air. Which causes gassy pain. Which causes more crying. You see where I’m going with this. It’s kind of a vicious cycle.

In theory, this should improve around 3 – 4 months of age, or when the baby starts rolling on his own, as this helps to get the gas out.

Tummy Upsets

Humans are supposed to have a (delightfully named) “digestive mucosal lining” or layer of mucous, which protects their digestive tract from microbes and other contaminants in food. In babies, this layer is thin and does a bad job at protecting their gastrointestinal tract from infection.

Weaning

Current recommendations are to avoid weaning babies until they are about six months old. Why? I found it really interesting to read about this:

  • Babies can’t produce digestive enzymes to digest starches until they’re six months old.
  • They don’t produce enough enzymes to digest complex carbohydrates until nearly seven months.
  • Their bile and lipase for digesting fats don’t reach full levels until six months.
  • Until about six months, babies’ guts allow large molecules to pass directly into the bloodstream. This is to allow antibodies from mum’s breastmilk to pass into baby’s blood. But it also allows larger molecules from solid food through, which could create a risk of infection or allergy.

Little Man has had a bad tummy ever since we got him home from hospital. I think a lot of it is due to him taking in air when he eats, because when he was in intensive care and then on the ward with me, we fed him through a naso-gastric tube, and he didn’t vomit as much or have anything like as much trouble with his tummy. Can’t wait until it all settles down, but it doesnt seem like it will be happening any time soon…

baby · health · parenting

Moth Boy: Why Do Babies Stare At Lights?

During Little Man’s night time feeds, we try to keep the room as dim as possible, to encourage him to stay sleepy and go back to sleep as soon as possible afterwards. We have a very faint bedside table lamp which is perfect for the job. However, even this is frequently enough to send Little Man into full-blown Moth Boy mode. He loves to just stare at the light, sometimes arching himself backwards almost out of my arms in his desperation to gawk at it. A straw poll of mums from my NCT classes suggests I’m not the only one with a moth baby. Apparently, lots of babies stare at lights!

So, as I love finding out about baby and child development, I decided to do a bit of research…

So why do babies like to stare at lights?

In their first month of life, babies are much less sensitive to light than adults. 50 times less sensitive, in fact.That’s why they like to look at high-contrast black and white shapes in their first couple of months of life. In fact, research has shown that very young babies recognise their mother based on high-contrast stimuli such as the shape of their hairline on their face. If this is obscured e.g. by a cap or scarf, tiny babies aren’t able to recognise their mothers – so don’t change your hairstyle too much when you have a newborn (as if hairstyling will be remotely on your mind).Lights are obviously about as high-contrast as it gets, so they are naturally very appealing to babies!

Can staring at lights damage babies’ eyes?

Well, yes and no. Exposure to light is an important part of the development of normal visual function, and influences the development of neural connections. However, overexposure to high-energy visible light, particularly blue light and UV, can be damaging to eyes of all ages.However it’s not particularly likely that your baby is staring at the sun; it’s usually dimmer indoor lighting that catches their attention. Where artificial lights have the intensity of sunlight, damage can occur from brief exposure. Based on studies in mice, it’s believed that longer term exposure to less intense light can also be damaging. In general there’s no recommendation to stop children from staring at lights, but it’s probably not a bad idea.

How can I protect my baby’s eyes?

It’s recommended to protect your baby’s eyes from bright sunlight just as you would your own – with sunglasses. The possible effect of exposure to blue light from screens is not yet fully understood, so limiting screen time is recommended (and not just to protect your child’s eyesight!).

When do babies stop staring at lights?

It seems to be common behaviour for babies to be attracted to high contrast objects for the first six to eight months, as it helps their eyes to focus. But there’s no set time to expect babies to lose their interest in lights. Like everything else, they’ll get there in their own time.

baby · health · history · Just for fun · pain · parenting · teething

Teething Sucks, But It Won’t Kill You (Unless You Live In 1842)

Little Man is FINALLY asleep in my lap for his after-lunch nap, having missed out completely on all naps this morning due to his stomach playing up. Then once his stomach settled, he immediately moved on to having issues with his teeth, so he is way overdue a sleep and has big bags under his eyes. Oh boy, teething is fun. So obviously, it’s time for another post about teething. This time with a focus on the history of teething (or rather, the history of how humans have thought about teething) through the ages…

The Fascinating History Of Teething

The Jaws Of Death

Did you know that in the past, teething was often actually considered to be a cause of death? In fact, in 1842 in London, almost 5% of deaths of children under one year old were registered as being due to teething. This was probably due to the fact that children died at the age when they were teething, and doctors didn’t understand the actual cause of death. Children who are teething often have an elevated temperature, which is not actually a fever, but again in the past fever was considered to be a part of teething – as were fits, convulsions and diarrhoea. These beliefs go back to Hippocrates in Ancient Greece.

This all seems pretty strange to us now, when teething is regarded as an unpleasant experience for babies, but hardly a serious condition.

The History of Teething Treatments – Flossed in Time…

Poor teething babies in the past probably weren’t helped by the range of “treatments” used to help with their pain. Here are a few of my personal favourites (seriously don’t try this at home, although if I really have to say that then god help us all):

  • In 117 AD, Soranus of Ephesus suggested using a hare’s brain to ease teething pain (you rub it onto the gums, obviously)
  • In 1545 the English doctor, Thomas Phaire, advised hanging red coral around the child’s neck to prevent teething pain. It also had the handy side effect of helping the child to “resisteth the force of lightening“… So that’s good.
  • In 1575 the French army surgeon Ambroise Pare advised lancing (cutting) the child’s gums, an idea which proved very popular right through to the nineteenth century. In fact, in 1850 Francis Condie even wrote of a case where a dead child was supposedly revived by having his gums lanced. Hmm. Not sure that one would have stood up to a peer review process…


Hmm. I think I’ll stick with Little Man’s teething monkey. Although admittedly, it doesn’t give him the power to resist lightening (as far as I know, I’ll check the box).

Telling The Tooth

Humans aren’t the only animals who have trouble teething. Other primates and mammals in general also have baby teeth (also known as milk teeth) which are then replaced by adult teeth. In fact, elephants and walruses which grow tusks (basically just massively overgrown teeth) apparently also experience pain when their tusks start growing in, and try to rub them on things just as a baby tries to bite when it’s teething. Which sounds adorable.

It’s a strange thought that parents throughout the ages have all had to deal with teething. And given the crazy remedies that have been suggested throughout history, we’ve all wished it was easier to soothe our teething babies.

history of teething won't kill you unless you live in 1842 funny interesting historic parenting the sickly mama blog
health · medication · pituitary

Cabergoline Side-Effects: My Medication May Cause Gambling Addiction

So after much chasing of the hospital, finally they have agreed that I should go back on my medication for my pituitary tumor. The tumor is a very rare kind, which produces thyroid stimulating hormone, and in fact is so rare that there are no medications which are certified for treating it. Therefore, my endocrinologists use medication for other types of pituitary tumor, off-label. It’s called cabergoline, and it has some pretty niche side effects… As you may have guessed from the title of this post. I’m going to write about cabergoline side-effects, but first: why am I on this medication in the first place.

When I wanted to try to get pregnant, the doctors tried taking me off medication completely, but the symptoms of high thyroid levels came back after a couple of months. So they tried me on cabergoline (Dostinex for any Americans reading), a dopamine agonist which is usually used for treating a much more common type of pituitary tumor called a prolactinoma. And – surprisingly – it worked! I was delighted, because the doctors had suggested there was only a one-in-five-ish chance that it would actually work to treat my condition – thyrotropinoma, a.k.a. a pituitary tumour which secretes thyroid stimulating hormone.

The thing about cabergoline though, is that it has some particularly weird possible side effects…

cabergoline side-effects gambling addiction side effects the sickly mama blog pituitary tumour treatment

Possible side-effects of cabergoline…

All dopamine receptor agonist drugs come with a risk of impulse control disorders. That means compulsive gambling, compulsive shopping, hypersexuality, binge eating and really any form of addictive or impulsive behaviour. As well as prolactinoma, cabergoline is prescribed for Parkinson’s Disease, often in much higher doses. Here’s an article about a Parkinson’s Disease sufferer who experienced extreme impulse control side effects from taking the drug. It’s from the Daily Mail but well, what can you do. Reputable newspapers don’t usually go for true life scandal about medication that turns you into a transvestite con artist.

Taking A Gamble

Some patients won lawsuits against the companies who manufactured these drugs, for failing to provide a warning about these side effects, because of the effect the medication had upon them and the impact on their lives. There have been other cases where people have escaped prison sentences after committing crimes, by successfully evidencing that their behaviour was caused by the medication – although that argument doesn’t work for everybody.

These side effects aren’t especially common in pituitary patients, but my endocrinologists warned me about them before I first started on the drug. Every time I go to the hospital with my husband, they check in with him that I haven’t started gambling or compulsively shopping. Obviously they check in with me too, but they like to get his more unbiased view!

Other Side-Effects (It’s Not Just Gambling Addiction)

More common side effects of cabergoline include possible cardiac effects, low blood pressure and dizziness, nausea and vomiting, and hallucinations. Other less common side effects include psychosis and delusions. It’s really a list of side effects that makes you think twice about taking the medication. I’m a member of several Facebook groups for pituitary patients, and there are often anxious posts from patients who have been prescribed cabergoline who are concerned about the possible side effects.

Ergot-ta Be Kidding Me

So why all the crazy side effects? Well, cabergoline is actually derived from ergot. Ergot is a kind of fungus which can grow on grains and, if ingested in large amounts, will make you crazy – hallucinations, delirium, psychosis and mania, among other things. It’s even been suggested that ergotism might have been the root cause of the Salem witch trials, with ergot poisoning causing symptoms of “bewitchment”. So perhaps it’s not surprising that cabergoline can have some pretty crazy side effects too.

My Experience Of Cabergoline Side-Effects

Last time I started the medication, I got on with it pretty well. I did experience some dizziness and low blood pressure – I tend to have somewhat low blood pressure anyway – but the longer that I took the drug, the more my body adapted to it, and the blood pressure issues resolved. So I’m hoping that I won’t have any major problems this time… Fingers crossed! But if you see me in Ladbrokes, maybe let my husband know.

crazy cabergoline side-effects the sickly mama blog side effects dostinex dopamine receptor agonist

baby · health · parenting

My Baby Is Scared Of Sabre Toothed Tigers (and yours is, too)

Little Man is in the unenviable position of having colic and starting teething, which means he is a mega grumpus on a regular basis. Something that has always seemed particularly unreasonable about his behaviour is that he will regularly stop crying and chill out if he is picked up and walked around the house (especially if he goes on his dad’s shoulder, which is good absolute favourite place to be), but the second we sit down with him, he starts crying again.

Up until now, I was under the impression that this was because he is a deeply uncooperative child, but I discovered entirely by accident that THIS IS AN ACTUAL THING THAT ALL BABIES DO BECAUSE OF SABRE TOOTHED TIGERS.

Why do babies stop crying when they’re being carried?

Okay, not sabre toothed tigers specifically, but predators in general. When babies are carried by their caregivers, their heart rate actually drops and they stop voluntary movement and crying. A similar reaction is seen in other mammals. However, this only works if you are carrying them while moving; stationary carrying doesn’t change their behaviour.

It’s proposed that this reaction has the evolutionary function of increasing survival chances if the mother needs to escape from a situation with her child.

Unfortunately for parents with grumpy babies, the soothing effect only works for as long as the baby is being carried around. So if baby is grumpy because he was upset by a loud noise or sudden pain (like immunisations), then carrying them around will soothe them. But if the reason they’re crying is something that’s still ongoing when you try to sit down or put them down (such as hunger or painful wind), they’ll just start crying again straight away. Great.