When should I go to sleep?

Question: When should I go to sleep?
Query	Has query::when
Guidance	Has guidance::should
Agent	Has agent::I
Action	Do action::go to sleep
Condition	,|x|Has condition::x}}
Goal	,|x|In order to::x}}
Source	,|x|According to::x}}
Code	{{#ask:Answers question::When should I go to sleep?|format=list}} Add a code

When should you go to sleep?

Early to bed, early to rise

Many proponents of going to bed early argue that people are more productive in the early hours. Purported reasons for this include the relative quiet early in the day, and natural biological sleep schedules in humans.

When your body feels like it

Some people prefer to stay up late. Why?