Strange when I study

- - Latest reply:  Hing - Jun 10, 2012 at 01:01 AM
Hello,
At night, I never feel sleepy when I watch a movie or playing PC games. However, I will be yawning and feeling very sleepy when I am studying, what's the problem please? Why is it only when I am studying that I feel sleepy?
Thanks in advance.
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Thank you
Hi,
This is simply because you are not interested in studying.
Thank you.
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