Why is it that on Thursday night I can stay up late and feel good, but on Friday night I'm sleepy by 12?

Answer:
maybe if you didn't stay up so late on Thursday, you would be able to stay up on Friday

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It's Friday.Where are you ;-)

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friday the thirteenth

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well its gone 12 and your still here

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Because it is the weekend and you're not dreading work tomorrow, maybe?? (Your bodies sub-conscious)

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you've lost the meaning of that Friday feeling...

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Because on Thursday u know that u have 2 get up for work and Friday u don't !!!!!!11
.and if it was Thursday u would b in bed and not askin us Q'sss

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coz u stayed up late on THURSDAY! lol

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Don't know I'm staying all night long!!aha! all night long ,lol.x

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because you finished the drugs on thursday

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guess u r not a friday person

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Because you stayed up late on Thursday night.

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