An alarm clock could be set to sync up with your sleep cycle, making it easier -- and healthier -- to wake up.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/D6DDEqX1KEE" height="1" width="1"/>
Printable View
An alarm clock could be set to sync up with your sleep cycle, making it easier -- and healthier -- to wake up.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/D6DDEqX1KEE" height="1" width="1"/>