100 minbetween the earliest and latest country's median bedtimes, Norway's and Argentina's. Total sleep is almost the same.

With age held steady, babies in Norway go down around 7:47 p.m. and in Argentina around 9:27 p.m., yet total sleep only ranges from 12.9 to 13.6 hours across the 28 countries with at least 100 babies at every month of age. There is no one right bedtime, only what fits a family's day.

Napper · Baby Sleep Data · 403,251 babies · Oct 2025 to Sep 2026

Bedtime around the world

Norway is down at 7:47 pm. Argentina at 9:27 pm.

  • Bedtime
  • Wake-up
NorwayNetherlandsAustraliaDenmarkAustriaUKSwedenCosta RicaGermanyCanadaPolandBelgiumSwitzerlandColombiaUSFranceFinlandBrazilRomaniaEcuadorTürkiyePeruChilePortugalMexicoSpainItalyArgentina7:47 pm9:27 pm10:00 am3:00 pm8:00 pmClock time

Complete days only: a day counts when a parent logged the morning wake-up, every nap and bedtime, with at least one nap. The night is the time from bedtime to the next morning wake-up. Each baby counts once per month of age, as its own average over at least 7 complete days, so every baby gets one vote. Unsettled weeks count too: nothing is left out for being irregular. Only what parents entered is used. Each country's median bedtime is taken at each month of age from 3 to 18 and then averaged with every age weighing the same, so a country's age mix does not move it. Countries with at least 100 babies at every month of age; country is inferred from where the app is used. Source: Napper analytics, aggregated, ~403,000 babies · 47 million baby-days, Oct 2025 to Sep 2026.

The science behind itCircadian rhythm →