My mother-in-law was holding Florence, who was precisely eighteen days old at the time, when she decided to gesture wildly with both hands while telling a long-winded story about a rogue fox in her garden. For three horrifying seconds, Florence’s entirely unsupported head rolled backward like a slightly damp, extremely heavy bowling ball. I vaulted over the coffee table, spilling half a cup of tepid tea down my trousers, to shove a supporting hand behind my daughter’s neck before her spine snapped. My mother-in-law barely paused her story. I, meanwhile, aged five years in an afternoon.

There's a prevailing myth pushed by aggressively cheerful parenting books that babies eventually learn to lift their heads because they're naturally curious about the visual world around them. This is absolute rubbish. The only thing a newborn cares about is the immediate vicinity of a milk supply. They don't lift their heads to admire the wallpaper. They do it out of pure, unadulterated spite.

I spent my first three months of fatherhood typing things like "when do babie" into my phone in the dark, fat-fingering the keyboard because my left arm was entirely dead from supporting a sleeping infant. If you want to know when do babies actually figure this out, I can tell you it isn't an overnight switch. It's a slow, painful transition from floppy potato to angry tortoise.

The bowling ball on a toothpick

Exhausted dad trying to support two wobbly twin baby heads at once

A doctor once vaguely explained to me that a newborn’s head makes up roughly a quarter of their entire body weight, which seems like a massive design flaw in human anatomy. The muscles in their neck are basically non-existent. You're essentially handed a delicate water balloon balanced on a wet noodle and told to keep it safe.

For the first month, our twins had zero head control. None. Handing them to childless friends was an exercise in extreme micromanagement. I'd hover over my mates, barking orders about neck support like an angry drill sergeant. If you don't keep your hand splayed across the base of their skull, the head just lolls to the side, and suddenly you're convinced you've broken your child. You spend half your time checking their neck folds for trapped milk and pocket lint.

Because they drool constantly while their heads are slumped against your collarbone, we went through outfits at an alarming rate. We ended up buying the Long Sleeve Organic Cotton Baby Bodysuit. It's fine, honestly. It does exactly what clothes should do—stops the draft and catches the spit-up before it runs down my back. It’s genuinely quite soft, which is nice when you're resting their heavy, exhausted little heads on your shoulder at 3am, but let's be real, you’ll still be washing it daily because babies are inherently gross.

Hostage negotiations on the living room rug

Every health visitor in the NHS will tell you that tummy time is the answer. They make it sound like a lovely afternoon activity. Just place them on the floor and watch them grow strong! In reality, tummy time is a hostage negotiation where the hostage is screaming directly into a carpet.

Hostage negotiations on the living room rug — The Terrifying Bobblehead Phase: Babies Holding Their Heads Up

You can't force them to develop neck strength, but you do have to subject them to the floor to let gravity do the work. If you can manage to lower them to the rug without a full-scale meltdown, try leaving them there for precisely three minutes before the overwhelming guilt forces you to scoop them back up. The theory is that they hate having their face mashed into the floor so much that they eventually build the upper body strength of a tiny cage fighter just to lift their heads and yell at you more effectively.

I tried everything to bribe them to look up. I bought the Bunny Teething Rattle Wooden Ring Sensory Toy thinking the little crochet ears would distract Matilda from her misery. It was a mixed bag. I shook the wooden ring like a madman while lying on my stomach next to her. She stared at it, lifted her head for exactly one second, sneezed directly into my eye, and went back to eating the playmat. It didn't perform miracles for head-lifting, but the untreated beechwood was quite nice later on when they finally sat up and just wanted to aggressively gnaw on something solid.

What the locum doctor actually said

I distinctly remember dragging both girls into the GP surgery because Florence seemed to be progressing, but Matilda was still flopping around like a freshly caught trout. The extremely tired locum doctor looked at me, sighed, and said not to panic unless there was severe head lag at four months.

If you pull them up by their hands into a sitting position and their head just snaps backward and stays there like a broken PEZ dispenser, that's when you apparently make a phone call. Or if they only ever tilt their head to one side, which could be a tight muscle thing. But if they're just being lazy and face-planting during tummy time at two months old? That's just them exercising their right to protest.

I did find that wearing them in a carrier helped, though I spent the first eight weeks totally paranoid I was going to suffocate them in my coat. I’d walk down the high street desperately shoving two fingers under their chins every thirty seconds to make sure their airways were open. But being upright against your chest actually forces them to use those tiny neck muscles without the utter indignity of lying on the floor.

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The four month turning point

Around the three-to-four-month mark, things seriously started to click. Matilda suddenly managed a sort of mini push-up. She propped herself up on her forearms, lifted her head to a 90-degree angle, and surveyed the living room with an expression of deep disappointment.

The four month turning point — The Terrifying Bobblehead Phase: Babies Holding Their Heads Up

Florence took another three weeks to figure it out, presumably just to keep my blood pressure high. But once they get it, the change is surprisingly fast. By five months, they were pivoting their heads to track the dog walking past without losing their balance and toppling over.

The dark irony of parenting is that the very minute they can finally hold their heads up independently, they use this newfound mobility exclusively to seek out inappropriate objects to put in their mouths. Matilda stabilized her neck just in time for the agonizing arrival of her first tooth.

The Panda Teether Silicone Baby Bamboo Chew Toy seriously saved my sanity during this specific window. I'm rarely sentimental about plastic or silicone baby gear, but I've a weird emotional attachment to this stupid panda. Because she finally had the neck control to sit propped up, she needed something she could hold without immediately dropping it on her own face. The flat shape of the panda meant her tiny, uncoordinated hands could seriously grip it. She would sit there, head held high in stubborn defiance, furiously gnawing on the bamboo detail. It stopped at least three tantrums a day, and you can just chuck it in the dishwasher when it inevitably gets covered in dog hair.

Accepting the wobble

So, if you're currently trapped under a floppy infant, terrified of moving your shoulder in case you ruin their spinal alignment, just know it doesn't last forever. The wobble eventually stops. The science of when and how their cervical spine locks into place is vague at best, and every baby—sorry, every babi, as my sleep-deprived thumbs still try to spell it—runs on their own highly inconvenient schedule.

You can't speed it up. You just have to survive the tummy time screaming matches, buy a decent supply of coffee, and wait for them to realise that looking at you is slightly more interesting than looking at the rug.

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Do I really have to do tummy time if they cry?

Yeah, unfortunately. Our pediatrician basically said we had to let them complain. If you hate the floor, lay on your back and put them on your chest. They’ll still cry, but at least they'll be crying directly into your face, which somehow makes you feel less guilty than watching them cry into the carpet.

When can I stop supporting my baby's head?

For us, it was around the four-month mark. There wasn't a specific day where a bell rang and it was suddenly safe. You'll just naturally notice that when you pick them up, their head stays relatively in line with their body instead of immediately trying to snap backwards towards the floor.

What does head lag honestly look like?

If you hold their hands and gently pull them from lying down to a sitting position, their head should eventually start coming with them. If it just flops backward like there are absolutely no muscles attached to it whatsoever once they hit three or four months old, that's when you ring the doctor. Don't WebMD it, you'll convince yourself it's a rare disease. Just call the GP.

Is babywearing safe before they've head control?

It's, but you've to be obsessive about their positioning. I drove myself mad checking on the girls in the carrier. Their chin can't be slumped onto their chest because it cuts off their air. Make sure the carrier has a firm neck support flap and that you can always see their nose and mouth.