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From Wikipedia:
Sleep is the natural state of bodily rest observed in animals. It is common to all mammals and birds, and is also seen in many reptiles, amphibians and fish. In humans, other mammals, and a substantial majority of other animals which have been studied — such as fish, birds, ants, and fruit-flies — regular sleep is essential for survival. A widely publicized 2003 study performed at the University of Pennsylvania School of Medicine demonstrated that cognitive performance declines with fewer than eight hours of sleep.[1] However, the purposes of sleep are only partly clear and are the subject of intense research.
Sleep is like a gold for me.



















Comments
if you want to cast your worries away <>>>>>>>>>>>>>>>>>> go to sleep
I just love sleep!! Who doesn't?
i neeeeed more
insomnia=insanity…
imagine humans that haven't slept for years...
z z z z….
My eyes hurt something horrible. Lots of eyedrops do the trick.
i feel so lucky i don’t suffer from insomnia! sleep is the best!!
sleeping like a rock...
iz mah talent...
heheheheheheh
SLEEP SLEEP SLEEP… HMMMM. LOVE THE SOUND OF QUITENESS…. OH! ONE SHEEP, TWO SHEEP, THREE SHEEP, ZZZZZZZZ…
it just that I want to do now - to fall asleep
это как раз то, что я хочу сделать сейчас - заснуть)
anywhere and anytime. i'm like a professional in this activity.
i like 2 sleep..
hmmm,i wanna sleep (goes to my bed)
Sleep is good to resting your bodily functions, save energy, boosts metabolism (with a glass of water before and after sleep), and its a good stress reliever, also a good way to waste time when got nothing to do…
LOL sleep is amazing
haha!!
sleep is popular!!
I wish I could get more of it (:
i think its the best becoz i like sleeping so much its one of ma favourite hobbie
sleep is like girl friend
so warm and comfortable
Sleep is my live
sleep is lovely and amazing and comforting and…. sometimes i really just don't want to wake up everrr. xP
i like sleeping it’s fun it’s the only time i don’t worry :)
Sleep to heaven^^
zZZzzz.. _
i really like 2 sleep..
b'coz with sleeping i can dreaming..
best....
hahaha
i love sleep <3 all the dreams you have and etc…
Important part of my boring life!!
hah i like the dude in the tub thats funny and also me in the morning trying to get a shower