Something that you're reluctant to do, but don't want to stop after you start.
Damnit, what did you wake me up for? It's 3 in the morning! I'm going back to sleep.
by Mike the Ekim June 7, 2005
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sleep is just a symtom of caffeine depravation
megan forget to drink her hourly cup of coffee and for the first time in 86 hours fell a sleep.
by Notsochilli August 28, 2005
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An efficient way of unnoticably skipping out on near half of one's life.
by darklylit August 30, 2005
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Something I don't get nearly enough of.

A state in which the body of a person or other mammal is in deep rest. Environmental responsiveness is reduced or even completely lost. This is the period in which the body and mind can recover from the activity of the awake state.
I'm an insomniac, I'd probably be doing a lot better if I was actually able to sleep, instead I'm spending my night on UrbanDictionary.
by Tiado June 23, 2004
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The physical state in which your bodie rests and replenishes it's energy (insomniacs, such as myself, do not often expeirience this, and are reading this definition @ 3:00 in the mourning and need to be awake by 6:00 to get ready for school). Sleep often comes to people in class periods such as math, science, history, P.E., and english.
Last night i didn't sleep for the third night in a row.
by Chrizzy February 22, 2006
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