The Stages of Sleep
When it comes to sleep most people have experienced those nights when you are in a deep sleep, nothing disturbs you, and you wake up feeling refreshed. Then there are those nights where you sleep lightly and get up in the morning feeling more tired than when you went to bed. This can be explained by the stages of sleep. There are two main stages that your body goes through. REM - rapid eye movement NREM - non rapid eye movement The NREM stage can actually be divided into more stages. During the REM stage of sleep your muscles are quiet and not moving. The only exception to this are your eyes. They move rapidly and if you wake up during this stage, you will note that you were dreaming. About 20 to 25 percent of your sleep is done in this stage. The NREM stage of sleep has been subdivided into 3 stages: N1 Sleep N2 Sleep N3 Sleep The N1 stage is the point where you are in a light sleep. Any sudden noises may wake you. People often report that they feel awake when sleepin...