Why My 5.5 Month Old Is An Awful Sleeper (And What’s Actually Working For Us)
It’s 2:14 a.m. and I’m leaning against the doorframe of my 5.5 month old’s nursery, cold coffee in a chipped ceramic mug, watching him chew on the top rail of his crib. He got one fuzzy bear sock off, rolled to his belly an hour earlier than I expected, and is currently grinning up at me like he pulled off the best heist in baby history. The dog is curled on the bath mat outside the door, too tired to move back to his bed after following me down the hall, and my partner’s door is closed down the hallway—we split nights these days, just so one of us can get at least a few hours of uninterrupted sleep to function the next day.
Up until two weeks ago, I thought we’d cracked the baby sleep code. He was giving us 4-5 hour stretches after bedtime, waking once around 3 a.m. to feed, then back down until 7. I even posted a casual Instagram story about how lucky I got, and now I’m convinced this is karma. At exactly 5 and a half months, it all fell apart. He started waking every 45 minutes to an hour. Some nights I’d count 12 trips to his nursery before the sun came up.
I tried every trick I saw online: turned the thermostat down one degree, swapped his cotton sheets for breathable fleece, added an extra nap, dropped a nap, fed him an extra two ounces before bed, tried letting him cry it out, tried picking him up every time he so much as fussed. Nothing stuck. Once I stood outside his door for 12 minutes (I timed it, because I was trying to stick to the rules I read) and he cried so hard he spit up all over his new sleep sack. I stripped the crib at 1 a.m., crying almost as hard as he was, convinced I’d broken his sleep forever.
I brought it up early at his 6-month checkup, desperate for any answer, and my pediatrician—who’s also a mom of three, so I trust her way more than any influencer—didn’t hand me a fancy sleep training schedule or tell me I was doing it all wrong. She just leaned back in her chair and said this is normal for 5.5 month olds. Their brains are spiking, they’re learning a dozen new skills every week, and when they wake up between light sleep cycles, all they can think about is practicing that new roll, or checking that you still exist when you’re out of sight. It’s not a sleep training problem. It’s a developmental problem. That hit me harder than any tip I’d ever read— I’d been treating his bad sleep like something I broke, something I had to fix overnight, instead of just a side effect of him growing up.
We didn’t overhaul everything. I just made a few small, low-effort changes that have actually made a difference. First, I added 5 minutes of rolling practice to his daily playtime, right after his morning and afternoon naps. He’d just figured out how to roll from back to belly, but could barely get back, and 9 out of 10 of his wake ups were because he got stuck mid-sleep and couldn’t figure out how to fix it. We used to just let him play on his mat and figure it out on his own, but intentionally practicing for 5 minutes twice a day meant I could guide his hip over to show him how the motion works, and after three days, he could roll belly to back 8 out of 10 times on his own. That cut out half the wake ups immediately.
Second, I shifted his bedtime routine by 20 minutes, moving his final feed to the beginning instead of the end. Before, I’d feed him right before laying him down, so he got used to falling asleep with a bottle in his mouth, and every time he woke up between cycles, he needed that same input to go back. Now we feed him first in the dim living room, no phones, no TV, then do a quick diaper change, read one short board book about dogs, then lay him down awake. He doesn’t associate feeding with falling asleep anymore, so he doesn’t automatically need a bottle to settle down when he wakes up.
Third, I stopped trying to check off my entire to-do list during his daytime naps. I used to use his 2-hour afternoon nap to scrub the kitchen, answer work emails, fold three loads of laundry, and by the time he woke up I was just as tired as I was before I started. Now I leave the dishes in the sink, leave the unfolded laundry on the couch, and lay down on the living room couch next to the monitor. I don’t even have to fall asleep— I just close my eyes and rest for an hour. I also keep a water bottle and a pack of granola bars in the hallway outside his nursery, so I don’t have to trudge all the way to the kitchen when I get up for the third time in a night. That small change cut down on my middle-of-the-night frustration more than I thought it would.
It’s not perfect. Last night he was up four times: once he just wanted to chew on my shirt for 5 minutes, once he was gassy from trying sweet potato for the first time, once he just rolled over and wanted a quick cheer for his new trick before going back down. We still don’t get 8-hour uninterrupted stretches. Some days I’m tired enough that I burn the toast at breakfast and forget to brush my teeth until 10 a.m.
I used to think that if my 5.5 month old was an awful sleeper, I must have messed up. All the parenting content online makes it feel like every kid should be sleeping through the night by 4 months, and if they aren’t, you’re doing something wrong. But now I see it’s just a messy, tiring phase. It’s not permanent, it’s not my fault, and it doesn’t need a perfect fix. What’s working right now isn’t a fancy method—it’s just meeting him where he is, practicing his new skills when he’s awake, and cutting both of us some slack when it’s hard. We’ll get to longer stretches eventually, but for now, this is where we are.
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