Human needs to sleep because sleep is needed for growth and development of body. It may also lead to faster heeling of an injured part.
human need 8-10 ours of sleep children need a little more 9-12 ours of sleep
they're human aren't they? so wouldn't the answer be how many hours of sleep does a human need? and the answer is about 8 hours.
The human body need a totall of 9 hours of sleep during the day or night to function correctly the next day.
Six to seven hours per day
A human baby needs food(which for them is milk) clean clothes, place to sleep and have a bath and LOVE and ATTENTION.
Werewolves do sleep, but they do not need to in order to function normally. On nights of the full moon, the individual almost always goes to sleep immediately after reverting back to human form.
Kittens sleep a lot because they are growing rapidly and need plenty of rest to develop properly. Just like human babies, kittens need more sleep than adult cats to support their growth and energy levels.
teens need about 9 to 10 hrs per night but adults need at least 8.
If a person is already asleep an an animal comes in the same room to sleep then human beings can sleep with animals.
we to sleep to get energy
The chemical responsible for inducing sleep in the human body is called melatonin.
Well I imagine demons have their own schedules and do watever it is they do. But since they aren't human, and have no physical body, they have no real need to sleep at all. Being that sleep is used to replenish your body.