18-Month-Old Sleep: How Much Does Your Baby Need?
AAP guidelines recommend 13 hours of sleep per 24 hours for a 18-month-old — 11h at night and 2h across 1 nap.
Total Sleep
13h
per 24 hours
Nighttime
11h
at night
Naps
2h
1 nap/day
Frequently asked questions
How much sleep does a 18-month-old need?▾
A 18-month-old needs approximately 13 hours per 24 hours — 11h at night and 2h across 1 daytime nap (AAP guidelines).
How many naps should a 18-month-old take?▾
A 18-month-old typically takes 1 nap per day for about 2 hours of daytime sleep.
How do I know if my baby is getting enough sleep?▾
Signs of adequate sleep: waking naturally (not crying), good mood during wake windows, normal weight gain, age-appropriate alertness. Overtiredness shows as fussiness, difficulty settling, and early waking.