Celebrities lead fabulous lives--jetting across the country on a whim, partying at late-night hot spots--so it's no surprise that sleep may not always be a number-one priority. When prescription sleep medication was implicated in Heath Ledger's tragic death in January 2008, it raised the question of whether other members of the glitterati were spending their nights tossing and turning. We've compiled a list of famous men and women, past and present, who have spoken out about or become known for their unique sleep issues. Here, see who gets too much and not enough--and what you can learn from each of them.
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