Once the school year starts it can e hard to wake up. After a few early mornings you feel like you are going to fall over. The amazing thing is that you will probely manage to stay up all night.Scientist just discovered how this happen is a brain chemical called dopamine.It can help you stay awake evan when you feel tired.Some peoples brains are better at this than others, letting them perform well on test and picking up new information after staying up all night.Science still shows through out learning and taking tests are better done after a good night sleep.My opinion is I belive this because my brother will stay up all night playing Gears of Wars and he does'nt evan have to study and he still gets good grades.
written September 17th 2008
2008 Society for science and the public
http:// www.sciencenewsforkids.org/articles/20080917/Note2.asp
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