what is sleep deprived
Sleep deprivation (DEP-rih-VA-shun) is a condition that occurs if you don't get enough sleep. Sleep deficiency is a broader concept. It occurs if you have one or more of the following: 1  You don't get enough sleep (sleep deprivation). 2  You sleep at the wrong time of day (that is, you're out of sync with your body's natural clock). 3  You don't sleep well or get all of the different types of sleep that your body needs.