There's nothing pretty about being rudely awakened by a shrieking alarm clock in the morning. "A simulated sunrise clock wakes you more naturally," says Nicolas Ronco, CEO of N.Y.C.'s Yelo Spa, which offers napping sessions. "The light increases gradually, signaling your brain to slowly bring you out of sleep, so you wake up more fresh-faced and alert."
Philips Wake-Up Light, $170; philips-store.com.Read MoreLess