/u/donarumo's posts in /r/askscience

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Are certain people deep or light sleepers or is a person's sleep "depth" primarily dependent on conditions?

5473 upvotes

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Seattle set decibel record. Why are multiple people louder than a single person?

142 upvotes

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How do we measure cell regeneration?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are certain people deep or light sleepers or is a person's sleep "depth" primarily dependent on conditions?	5473
Seattle set decibel record. Why are multiple people louder than a single person?	142
How do we measure cell regeneration?	1