Ministry of Internal Affairs and Communications conducted a survey about people's daily life, such as what time they get up, go to bed, or take breakfast. According to it, the average time of going to bed is 23:15 on weekdays. We do not use summer time, so it is valid through a whole year. The survey was conducted in 2011.
Table : Average time of going to bed on weekdays
|Number of samples||Population 10 years and over (1000)||Participation rate in going to bed (％)||Average time of going to bed|
The following shows the breakdown of what time Japanese people go to bed on weekdays.
Source is Ministry of Internal Affairs and Communications.