Stages of Sleep in Psychology and Types with Explanation - Hafiza Rabbia Shafiq

Stages of Sleep in Psychology and Types with Explanation

In this article, I am going to explain about “Stages of Sleep in Psychology and types with Explanation“. I will explain the steps involved in stages of sleep.

Firstly, I will like to describe what is sleep? Sleep is a mode or condition of mind and body which happens each night for several hours. In this our nervous system is not in an active state, our eyes are closed and our muscles are relaxed in sleeping position and our awareness is drooping.

Stages of Sleep in Psychology:

There are 2 stages of sleep:

  1. Non-Rapid Eye Movement (Non-REM).
  2. Rapid Eye Movement (REM).

NON-RAPID EYE MOVEMENT:

It is also called as Non-REM.

Non-REM further includes 3 steps i-e N1, N2, and N3.

N1:

This is considered to be the first ever stage of Non-REM sleep. In N1, the stage is something like mix up means it is something in between awareness and sleep because this is the starting and first step of sleep.

As it is in between sleep and awareness means in this our eyes are closed but our mind and brain are still functioning and working.

In N1, you can hear the things happening around you but you are not in a position to answer just because you are in between sleep and awareness means you are half sleepy.

In N1, you also give a flashback to your whole day tasks.

N2:

This is the second stage of sleep. This stage is termed as N2. Now, this is the stage in which person has come out from in between sleepy and awareness stage.

In N2, the person is full sleepy means that much sleepy that he/she is hardened or tough to wake up because neither their mind is working nor their muscles.

N3:

This is the last stage of Non-REM sleep. N3 is something like in form of delta waves. ย In N3, a person is like completely dead and is extremely hard to wake up. People who walk or talk during sleep are also included in N3.

RAPID EYE MOVEMENT:

In this stage your eye movement becomes rapid. REM sleep is also called as paradoxical sleep.

By the term paradoxical, It means active mind but paralyzed body.

Let me make this term clear to you by an example.

During sleep, imagine you are in a mountainous area, imagine you are at the top of the hill, imagine someone has pushed you from that hill, and you canโ€™t protect yourself because you are sleeping.

So at that time your body is paralyzed, you canโ€™t give any physical response but during this stage, you will be continuously moving your eyes beneath lids.

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