Sleep Drugs Found Only Mildly Effective, but Wildly Popular

New York Times: "Your dreams miss you. American consumers spend $4.5 billion a year for sleep medications. In the commercial, the dreams involve Abraham Lincoln, a beaver and a deep-sea diver. Not the stuff most dreams are made of. But if the unusual pitch makes you want to try Rozerem, consider that it costs about $3.50 a pill; gets you to sleep 7 to 16 minutes faster than a placebo, or fake pill; and increases total sleep time 11 to 19 minutes, according to an analysis last year. "