The Paralysis Onset

Many of you must’ve wondered why in some cases while asleep, you feel as though your body is completely paralysed even while conscious, and then you have a rush of adrenaline as if you’re about to be attacked by a demon, or there’s one just close to you. Well there is no demon at all and all you feel is completely normal.

sleep paralysis

What It Really Is

It is called REM sleep and considered as one of the phases of the sleep cycle. It’s name simply means Rapid Eye Movement Sleep and it’s indeed characterised with rapid movement of the eyes.
REM sleep occurs in about 1 hour 30 minutes after you’ve fallen asleep. Your eyes move rapidly from side to side behind your closed eyelids.

REM

Brain Representation

Mixed frequency brain wave activity then gets similar to that seen during wakefulness. Your breathing becomes faster and irregular, and your heart rate and blood pressure increase nearer to waking levels. Although some of your dreams can occur in non-REM sleep, most actually happen during the REM sleep. Your arm and leg muscles become temporarily paralyzed in a hypotonic fashion, which prevents you from taking immediate action. As you advance in age, you sleep less of your time in REM sleep.

Brain Wave

Memory consolidation may most likely requires both REM and Non-REM sleep.

Summary

Stages

There are four stages of sleep and stages 1-3 are known as the non-REM sleep characterised by quiet sleeping, while the stage 4 is the REM sleep which is characterised by deep sleep which is absolutely normal.

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