July 12, 2009
Stages of Sleep & Reasons for REM Sleep
For most of us, sleep is nothing but a compulsory action that we have to do at least once a day, but for scientists who study it, the mysteries of sleep contribute to a plague of questions with hard to decipher, often inaccessible, answers. Questions such as what function does sleep serve and is there an internal mechanism controlling our sleep are among various possible questions that researchers in the field continue to scrutinize but in this particular paper we will examine the stages of sleep, their physiological differences and a number of the theories behind Rapid Eye Movement (REM) sleep.