It's 3 a.m. and you're staring at the green glow of your digital clock,
wondering if you'll get any shut-eye before the alarm blasts in a few short
hours. After several sleepless nights, you're feeling cranky and lethargic. Is
it safe to start taking a sleep medication?
Many people turn to sleep aids because insomnia and sleep shortage have
become commonplace in this country, leading to potentially serious
consequences. In a 2008 National Sleep Foundation poll, 29% of respondents --