sleeping

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FUN FACT: Sperm Whales Sleep Vertically

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Too Much Science to Sleep

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NOT COOL

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Why Do You Sometimes Twitch When You Fall Asleep

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You Deserve an Award!

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Sometimes Tails Make You Sleepy

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The Most Sleep Starved Students

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Maybe You Should Pay Attention More

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Just a Couple of Kids Waiting for the School Bus

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The Best Things in Life...

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I'm Going To Study The Back of My Eyelids

it's hard to stay awake in class

Sometimes You Just Can't Wake Up

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Not Quite What Newton Meant

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Sleep in on School Days

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In Holland, Waking Up After Falling Asleep in Class Can Be the Real Nightmare

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Always an Option