Why we sleep? Read it to know everything in details about our sleeping pattern. The reason behind sleep has a great science. I have decoded everything about sleep that I have read or I know. I have also explained two types of sleep i.e. Rapid eye Movement (REM) and Non-Rapid eye Movement (NREM) also explained what role they play in our dream Read this and If you have something to add feel free to shoot me email on anubhavmishraaa@gmail.com