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結果 : why do i feel so sleepy when i start studying
0:56

Why Studying Makes You Sleepy

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This is Why You're ALWAYS SLEEPY!

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if you wake up tired

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Here are reasons why you feel sleepy😴🤔 #relatable #trending #sleep #shorts

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Neuroscientist: How To Stop Waking Up Tired | Andrew Huberman #hubermanlab #shorts #neuroscience

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how to NOT FEEL SO STRESSED when STUDYING till you feel like crying 😩

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Why You're Fatigued All the Time. #shorts

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