Shut-Eye Deficit: OECD Survey Reveals Japan Most Lacking in Sleep

Around half of Japanese people in their forties get less than six hours of sleep per night. A 2017 national health and nutrition survey conducted by the Ministry of Health, Labor, and Welfare, measured the daily average sleep (based on the previous one-month period) for men and women in their twenties and over.

The amount of sleep you need

The amount of sleep we need depends on our age. Regularly sleeping less than 7 hours per night is associated with adverse health outcomes