What patterns occur in stage n3 sleep?

REM Stage of Sleep

Explanation:

Stage 3 Sleep [ REM Stage ] is the deepest stage of sleep. It is most revitalising & refreshening up sleep. It is crucial to re energise brain.

In this stage : Respiration, heart rate increases, brain activity is high & vivid dreams may occur, body becomes immobile & it is difficult to wake someone up. There are slow delta waves & rapid eye movement.

It is a very short duration (3 - 8%) of total sleep and its concentration keeps on decreasing with age.