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Painted sky: the Moon Hour moon in a nightcap asleep on an open book.

8-month-old sleep schedule

How much does a baby sleep at 8 months, how many naps are usual and how long is it awake in between? Guideline values with sources and an example day – not a plan to follow.

At a glance

Sleep per 24 hours12–16 hr
Night11 hr
Naps2 naps
Awake time in between2 hr 30 min – 3 hr 30 min

Sleep in 24 hours: consensus of the American sleep physicians (AASM, Paruthi 2016) – a value for groups, not for an individual child.

Night: this is what Moon Hour starts out with and then learns your child’s night length.

An example day

This is how Moon Hour might calculate on the first day if a child at 8 months wakes at 7 am and has no entries yet. It is an example, not a plan to follow: children are different, and the app adjusts the times to your child with every entry. Sleep schedule calculator: an example day for your wake-up time

Sleep schedule as a printable PDF (A4)

TimeWhat
7:00 AMWaking up
9:30 AM – 10:45 AMNap 1
1:42 PM – 2:57 PMNap 2
6:27 PMTo bed for the night

What often changes at 8 months

In the second half of the first year, researchers found times of more restless sleep even though sleep consolidates overall. In babies who pulled to stand at about eight months, this step coincided with a more restless period (Atun-Einy 2016, a small study of 20 children).

If you are worried

Experts recommend contacting your paediatrician or your local out-of-hours medical service if you are worried.

Sources

General information, not a substitute for medical advice.

Sources checked: November 2026