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I read the last answer and just thought I'd improve---
There are many reasons we need to sleep.
The main is if we don't sleep we can become irratible, unfocused and find it difficult to do daily tasks
Feel free to improve my answer if you don't think it is correct.
:)
Sleep is a requirement from your body to function. Your physical body has to rest and your mind has to rest. The body works in overdrive while you are awake and when you go into sleep, receptors in your brain allow certain tasks to happen while you sleep. Ie. certain chemicals are released to fight cancer when you sleep.
also be u dont sleep then u will just be like this at school oh stuff this i dont care about work i will just go to sleep
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Why do we need to sleep?
we to sleep to get energy
How many hours of sleep does a dog need?
it need 7hours sleep for health
The older you are the more sleep you need or is it the younger you are the more sleep you need?
older
Do we need sleep and why?
PHHHT serously!! we need a sleep cuz we bein tired!
Why do mammals and birds sleep?
they sleep like we sleep and they sleep why we sleep because we need energy and strength
How much sleep does a tween need to have?
My doctor has told me that tweens need 9 hours of sleep a night! A Sleep Doctor should tell you to sleep 10 hours of sleep not 9 hours. Now Adult can sleep up to 6 hours, there bodys don't need that much sleep:)
How many hours of sleep do you need to grow taller?
You need 8 hours of sleep, and you have to be in deep sleep at 1-4 a.m.
Why should athletes need sleep?
Athletes need more sleep so they can be less tired when they need to perform.
How many hours sleep does a human need?
human need 8-10 ours of sleep children need a little more 9-12 ours of sleep
How long do you need to sleep in World of Warcraft?
You do not need to sleep and doing so offers no bonus
Does your family and you need to go to sleep for the tooth fairy to come?
you just need to be a sleep and your siblings.
How much sleep do you need a night?
between 5-7 hours of sleep. Children need at least 7-8 hours of sleep
