STAGES OF SLEEP

Front

A storm with very loud thunder and very bright lightning is rolling by Nur Aqilah’s house in the middle of the night, but she isn’t awakened whatsoever.

Back

Non-REM Stage 4

Front

Rashid is having a scary dream in which he is running away from a pack of wolves. Despite his motor cortex being active, his body does not act out these running motions because the brainstem has functionally paralyzed him.

Back

REM

Front

Batrisyia’s alpha waves have just changed into more irregular brain waves and her respiratory rate has decreased.

Back

Non-REM Stage 2

Front

Hanif Farhan is experiencing 40% Delta waves in his brain.

Back

Non-REM Stage 3

Front

During this stage of sleep, Hafizah drift in and out of sleep and easily awakened.

Back

Non-REM Stage 1

Front

This stage of sleep is considered deep sleep and has almost exclusively delta waves.

Back

Non-REM Stage 4

Front

Hafidz is asleep, but could be awakened easily. His brain is experiencing sleep spindles.

Back

Non-REM Stage 2

Front

Hallucinations and hypnogogic Jerks would most likely occur during.

Back

Non-REM Stage 1

Front

Ahmad Lutfi is having an extremely vivid, story-like dream, with rich detail.

Back

REM