Stage 1 is when sleep is light and one can be awakened easily. In this stage we begin to drift in and out of sleep, the eyes move slow and muscle activity slows. Stage 1 lasts about five minutes and is followed by stage 2.
Stage 2 eye movement stops and brain waves become slower with bursts of rapid waves called spindles. Stage 2 lasts around 10 to 20 minutes and less than half of sleep time is spent in this stage.
Stage 3 is a short transition stage where extremely slow brain waves appear named delta waves.
Stage 4 lasts about 15 to 30 minutes and is considered to be a deep sleep. It is very difficult to wake up during this stage. When awoken during this …show more content…
This stage is associated with dreams that are more animated and memorable as to other stages.
It is imperative to get sleep that is undisturbed and goes through all of the stages . During a normal night's sleep, you go through stages 1 through 4, then cycle through stages 3 and 2. After this, you cycle through REM sleep. Once REM is complete you continue through stage 2 through 4 until we reach REM again. We regularly conclude each cycle about 5 times throughout the night. If we don’t get an adequate amount of sleep the body will not be able to function properly and the brain will not be able to process information thoroughly.
When sleep is disrupted in turn the cycle is disrupted and it can be difficult for our bodies to go back to sleep. Sleep depravation can result from interrupted sleep and can be dangerous to a person’s health. It can cause lack of focus, fatigue, and depression. High blood pressure, heart disease and stroke are just a few chronic health problems that can occur. Sleep