Heath Ledger....

Here are the drugs found in Heath Ledger's body:

• Oxycodone -- narcotic/pain killer; trade names: OxyContin, Percodan
• Hydrocodone -- narcotic/pain killer; trade name (combined with acetaminophen): Vicodin
• Diazepam -- anti-anxiety drug; trade name: Valium
• Alprazolam -- anti-anxiety drug; trade name: Xanax
• Doxylamine -- sleep medication; trade name: Unisom
• Temazepam -- sleep medication; trade name: Restoril

Source: Drugs.com

Got that on email just now. Pretty common stuff but certain drugs taken in combination can be lethal. When combining medications one should always do so with a doctor's supervision.

Food for thought.