when the body becomes in an unconsious state and the body's five senses are not intact,a time for rest typically eight hours a night,you may have a dream about something you were thinking about before you fell asleep,unfortunely there are many sleep disorders such as insomnia and sleep apnea.many people use stimulants such as caffeine to prevent falling asleep.you re-energize during sleep.The average human spends one third of their life sleeping.
I'm so tired i need sleep.I love sleep it's my favorite thing to do.
by jaket February 24, 2008

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Everyone's favorite thing to do.
Sleep is the shit. End of story
by I'm Right Behind you..... November 01, 2009

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What is this "sleep" you speak of?
"Go to sleep"? Is that like going to church?
by B-Drac November 08, 2003

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The stuff that accumulates at the side of your eyes after a kip. You tend to get more of it if you're unwell or have been out of it for a long time.
"I've got loads of sleep in my eyes. I need to get some water to rinse it out."
by Brendan July 13, 2005

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go get some.
if you look up sleep on urban dictionary, you need some.
by vulpix December 12, 2009

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A brief state of nothingness, where the mind is allowed to run free, and the body is nearly unimportant.
Sleep is for the weak.
by sj0r January 03, 2004

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something teachers and the collegeboard deprive their students of with useless things such as: homework, tests, applications, etc.
student:"i need sleep."
teacher: "ha. never." *evil laugh*
by whatever it doesnt matter October 20, 2008

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