Eastern Asia · Asia
Residents of Japan sleep an average of 7h 42m per day, ranking #34 among 62 countries tracked in the Global Sleep Atlas. This is 12 minutes less than the global average of 7h 54m. In Japan, men sleep approximately 16 minutes more than women per day.
Gender gap: +16 minutes (males sleep more)
OECD diary surveys report 81 minutes more sleep than app-based tracking for Japan. This reflects methodological differences: diary surveys measure “time allocated to sleep,” while apps measure detected sleep states.
Different measurement methods produce different results. OECD time-use diaries capture “time in bed,” while app and wearable sources measure detected sleep states.