The bedtime routine:
one of the best-studied practices
Among the practices said to improve baby sleep, the bedtime routine is one of the best studied. Good news: it's also the simplest, and it's free.
What the studies show
A randomized trial published in 2009 (Mindell et al., Sleep) compared 405 children aged 7 to 36 months, with and without a bedtime routine. After two weeks, those with a routine fell asleep faster, woke less often and for shorter periods, and their mothers were less likely to see their sleep as a problem. Nothing changed in the control group.
A larger survey of 10,085 children aged 0 to 5 in 13 countries points the same way, with a dose effect: the more nights a week the routine happens, the better the sleep (Mindell, 2015).
A common explanation: the baby's brain learns to anticipate sleep through repeated cues. Each step of the routine becomes a signal that sleep is coming.
The steps of an effective routine
There's no single recipe, but there are tried-and-tested ingredients. Pick 4 to 6 and always keep the same order:
- Bath (not necessarily every day): the drop in body temperature after getting out may help sleep onset
- Massage: a few minutes are enough
- Pyjamas and sleeping bag: a clear clothing signal
- The evening feed: calm, with the lights already dimmed
- A story or lullaby, even for a baby who "doesn't understand": it's the voice and the ritual that count
- Cuddle and bed: ideally while baby is still awake, so they connect their bed with falling asleep
Common mistakes
- Starting too late: if baby is already past their wake window, the routine has a harder time working. Start it before the late tiredness cues
- Screens in the hour before: their light can delay melatonin
- A routine that keeps changing: steps that change every night send no predictable signal
- Confusing the routine with falling asleep in your arms: the routine prepares for sleep; if baby always falls asleep during the last step, they may ask for the same help at every night waking
A routine for every age
0 to 3 months: laying the foundations
A short mini-routine (change, cuddle, dim lights, lullaby) is enough. The goal isn't performance but familiarity: evening cues repeat while the circadian rhythm settles in.
3 to 12 months: the golden age
This is when the routine pays off most. Sleep has matured, and babies can start learning to fall asleep on their own. A full routine of 20 to 45 minutes, with the start time guided by the wake window.
12 to 24 months: expecting resistance
Toddlers test limits and ask for "one more story". Keep the frame kind but firm, and offer limited choices ("these pyjamas or those?") to meet their need for autonomy without derailing the schedule.
Also worth reading: white noise, used safely, a good last step in the routine.