The ongoing quest for the best night’s sleep continues. While there may not be a simple solution to getting an uninterrupted 7 to 9 hours of sleep, some have turned to melatonin. The body makes melatonin naturally, but supplements are also popular. So we wondered, is synthetic melatonin safe to take? - Does Melatonin Control Sleep Patterns? - Most healthy -adults need between 7 and 10 hours of sleep...