Sleep is the most important part of the day, it is when your body repairs itself. If you are not getting a good night’s sleep, it will be very hard for you to get any work done the next day.This stage happens right when you lay down.
For some people, this stage can last a few minutes to a half-hour.This is light sleep. You could wake up at this stage if there is a sound in the room.This is when you are in deep sleep.
Heart rate slows down, muscles relax, and breathing slows down. In this stage, it is hard to wake up from.This is REM or Rapid Eye Movement sleep.