Take "Sleep No More, " the immersive theater project in which masked audience members wander through the set, fiddling with props and engaging with the performers.

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First, the no-brainers, Sleep 101 if you will: exercise more, drink less alcohol and make your room as dark and as quiet as possible.

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While men ate the same amount of fat no matter how much sleep they got, the women averaged 31 more grams of fat after sleeping for four hours.

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