Saturday, August 14, 2010

http://farm5.static.flickr.com/4121/4887013813_fe707c78c0.jpg

So happy that it's finally weekends!! I don't care if I'm gonna spend the weekends studying too but at least I could spend a longer time with my bed. I'm so tired....

You see the problem is, when you sleep too little, you feel tired but when you sleep too much, you still feel tired. So how long must we sleep to not feel tired? Hm..

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