+23%more parent-recorded night waking in January than in August. The darker months are harder for everyone.

Parent-recorded night wakings run highest in January and lowest in August, with age held steady. If nights got worse when the days got shorter, the season is a likely part of it, not something you did.

Napper · Baby Sleep Data · 476,519 babies · Aug 2024 to Jul 2026

Parent-recorded night wakings across the year

23% more parent-recorded night waking in January than in August.

Parent-recorded wakings a night (number)Month0.350.3750.40.4250.450.475JanFebMarAprMayJunJulAugSepOctNovDec0.50.4

Ages 4 to 12 months, both hemispheres pooled. Each calendar month is the average over ages 4 to 12 with equal weight, pooled over two years, so it shows the season rather than which ages were logging. Parent-recorded wakings, counted across every family that records nights: quick night feeds and wakings a parent slept through often go unrecorded. Source: Napper analytics, aggregated, ~477,000 babies · 54 million baby-nights, Aug 2024 to Jul 2026.

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