20 Celebrities Who Battled Depression
The whole truth behind Ledger's tragic death in January 2008 will likely never be known: The troubled actor, 28, accidentally overdosed on sleeping pills, painkillers, and anxiety drugs not long after revealing to the New York Times that he'd been suffering from insomnia.
After his death, People reported that sources spoke of his depression and reckless behavior after his breakup with actress Michelle Williams, the mother of his then 2-year-old daughter.
Next: Demi Lovato
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