VOA常速英语2008年-US Study Shows Sleep Deprivation Affects Work,

By Melinda Smith
Washington
06 March 2008
 

Have you ever wished you could put aside your work just for a short nap?  If so, you may be sleep deprived.  Sleep experts say sleep deprivation is a common problem among many people who put in long hours on the job or take work home with them.  VOA's Melinda Smith has results of a recent poll conducted by the National Sleep Foundation.