In General, most people will take the time to sleep, but according to the different age. More and more children need to sleep, it will be reduced. Baby-12 hrs. Teen-6-10 hours. Adult 6-8 hours. Senile Senior 4-6 hours.
In general, most people will take the time to sleep and vary by age. I grew up in the bedroom, it needs to be reduced to an infant - 12 hour courses - 6-10 hour adult 6-8 hour 4-6 hours old senior.
In general, most people will take the time to sleep, but different according to age. As I get older needs sleep can also be reduced. The baby - 12 hours Teens - 6-10 hours adults 6-8 hours old senior 4-6 hours.