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3 Month Old Sleep Schedule

At 3 months, babies typically need 14–16h of total sleep, including 9–10h at night and 4–6h of daytime naps (3–4 naps). 4-to-3 nap transition begins.

Updated August 6, 2026

Sleep Guidelines

Typical sleep ranges for 3 months old babies

AgeNight SleepNap DurationTotal SleepNapsTransition
3 months9–10h4–6h14–16h3–44-to-3 nap transition begins

Target Wake Windows

Planning targets for this age range

Age RangeScheduleBefore Nap 1Before Nap 2Before Nap 3Before Nap 4Before Bedtime
3-4 months4 naps75-90m90-105m90-105m105-120m105-120m
3-4 months · 4 napsWindows lengthen through the day. The 4th nap is a short catnap (30-45 min). Bedtime window is the longest. The 4-to-3 nap transition often begins around 4 months.
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Why there's no clock-based sample schedule yet

At this age, sleep is still irregular: short naps, frequent feeds, and little day/night consistency are normal for 3-month-olds. A fixed timeline (wake at 7:00, nap at 8:48…) isn’t reliable yet. Use the wake-window ranges above as rough guides, and follow sleepy cues. A more predictable day usually emerges around 3–4 months.

See a 4 month sample schedule →

Transitions to Watch For

Sleep pattern shifts common around this age

~2 months

Schedule Emerging

Caregivers can begin developing a more regular sleep schedule accounting for feeds, night sleep, and daytime naps. Source: Sleep Foundation.

~4 months

Sleep Consolidation

Sleep begins consolidating into longer stretches. The 4-to-3 nap transition often begins here. A common "sleep regression" window. Source: Sleep Foundation, AAP.

Sleep Disruption Troubleshooting

Common sleep challenges at this age

Night Feed Changes

Newborns (0–3m): Feed every 2–3 hours around the clock. Night feeds are essential.

3–6 months: Fewer night feeds needed. Some babies sleep 8+ hours. Source: NHS.

6+ months: Many babies can sleep 6–8 hours without feeding. Solids complement milk. If night feeds were sleep associations, gradual weaning may improve sleep, but consult your pediatrician first.

Growth Spurts

Common at: ~3 weeks, 6 weeks, 3 months, 6 months, and 9 months (timing varies).

Signs: Increased hunger, more frequent waking (day and night), possibly fussier than usual.

Duration: Usually 2–7 days. Follow baby's hunger cues. Temporary increase in feeds is normal. Sleep typically returns to baseline after. Source: AAP.

Medical Disclaimer: This tool provides general reference information compiled from pediatric sleep guidelines (AAP, Sleep Foundation, NHS). Every baby develops differently. These are typical ranges, not prescriptive targets. Always consult your pediatrician for questions about your baby's feeding, growth, health, or sleep concerns. Follow safe sleep guidelines: place babies on their back on a firm, flat surface with no loose bedding.

Sources