A baby lying on their back in a crib, awake, in soft daylight
Photo by Anna Shvets on Pexels
Sleep

Daylight saving time and your baby's sleep — how to fall back without the crash

A note before anything else: this one is for anywhere the clocks change. In most of the United States and Canada, that's Sunday, November 1. Europe and the United Kingdom fell back a week earlier, on October 25 — the plan below works the same, just shifted. Brazil, for the record, doesn't change its clocks anymore, so if you're reading from there, nothing here applies to your nights.

On the day itself, at 2am, the clocks go back an hour. For adults it's an extra hour of sleep. For a baby whose body is set to wake at 6:30, it's 5:30 — and a bedtime that now lands an hour later than their body expects.

The American Academy of Pediatrics puts it plainly: the fall change can cause younger kids to crash before bedtime and wake up earlier than usual in the morning. Both at once. That's the whole problem in one sentence, and it's not something you're doing wrong.

Here is what the AAP actually suggests, and what we'd add from watching a lot of families log through this week.

The week-before plan

The AAP's advice is small and specific: for younger children, start nudging naps and bedtime in the direction the clocks will be changing, a few minutes each day, ideally starting about a week before the time change.

For the fall, "the direction the clocks will be changing" means later. So the version that fits on a sticky note:

  • Monday to Saturday before the change: push bedtime — and naps, if you can — about 10 minutes later each day. By Saturday night, bedtime is roughly an hour later than it was a week ago.
  • Sunday, November 1: the clocks have done the rest. Your baby's 8pm is now the clock's 7pm. You're done.

The "10 minutes" is our arithmetic, not the AAP's — their wording is a few minutes each day, and an hour spread over six days works out to about ten. If your baby tolerates 15, use 15 and take four days. If they only take 5, start earlier.

One honest caveat the AAP includes: kids usually adjust within about a week. So if you miss the run-up entirely and just let the clocks change on them, the most likely outcome is a scrappy week and then it's over. The plan above makes the week gentler. It doesn't rescue you from it.

Let the morning come to you

Here's the part most time-change guides get backward.

You can move bedtime. You cannot really move wake-up time — a baby who's done sleeping is done. So in the week before, the lever you have is the evening. Mornings will drift later on their own as bedtimes do, and the AAP's other instruction does the rest: natural light during the day helps reset a child's internal clock. Open the curtains at the new wake time. Get outside before noon if you can.

The flip side is also in the AAP's guidance — evenings dim and quiet. The same thing we've all been told about screens applies to a baby's room at 6:30pm: the body clock reads light, and you want it reading "night" a little later each day.

Keep the routine exactly the same — just later

The one thing not to touch is the routine itself. The AAP's recommendation for small children through a time change is to hold set nighttime routines — for the youngest, brush, book, bed, cuddling, or quiet music. Your routine is the signal that says "sleep is coming." The clock on the wall says nothing to a baby. The sequence does.

So: same bath, same book, same song, same order. Start it ten minutes later than yesterday. That's the entire technique.

Under four months: mostly skip this

If your baby is under about four months, you can read the above with interest and then largely ignore it. The AAP describes babies as not having regular sleep cycles until around four months — before that, sleep comes in short pieces around the clock, and "bedtime" is more of an idea than a fixed point. A newborn doesn't have a schedule to protect. Follow their cues, keep nights dim and boring and days bright, and let the clock change be a non-event.

If the first few days are rough anyway

They might be, and it won't mean the plan failed.

An early-waking baby on the Monday after is normal — their body is still on the old time. The AAP's "crash before bedtime" is the other half: an overtired baby in the new, later evening. For a day or two, it's fine to move bedtime back earlier than the plan says if they're clearly done — a short-term early night beats an overtired fight. Then keep nudging.

And if you're logging, this is the week the log is most useful. Look at when the wake-ups actually happen rather than how you feel about them. A 5:30 that becomes 5:45, then 6:05, then 6:20 is a baby adjusting. You can see that across five mornings; you cannot feel it inside one.

What the sources don't say

Worth being clear about, because the internet isn't: the AAP doesn't give a minute count, doesn't promise a timeline shorter than "about a week," and doesn't offer a different plan for the spring versus the fall beyond noting that spring tends to be a little easier on early risers. The specific schedules you'll find elsewhere — fifteen minutes, three days, start on Wednesday — are somebody's preference dressed up as guidance. Ours above is too. The sourced part is: a few minutes a day, about a week out, daylight in the morning, the same routine every night.

Sources