STAGES OF SLEEP

Iman Mustakim is experiencing 40% Delta waves in his brain.

• Non-REM Stage 3

• REM Sleep

• Stage 1 Sleep

• Stage 2 Sleep

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

• Non-REM Stage 4

• REM Sleep

• Stage 1 Sleep

• Stage 2 Sleep

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

• Non-REM Stage 2

• Non-REM Stage 3

• Non-REM Stage 4

• REM Sleep

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

• Non-REM Stage 1

• REM Sleep

• Deep Sleep

• Non-REM Stage 2

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

• NREM

• REM

• Stage 1

• Stage 2

Hallucinations and hypnogogic Jerks would most likely occur during.

• Non-REM Stage 1

• REM Sleep

• Non-REM Stage 2

• Deep Sleep

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

• Non-REM Stage 1

• Non-REM Stage 2

• REM Sleep

• Awake

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

• Non-REM Stage 1

• Non-REM Stage 2

• REM Sleep

• Awake

Irfan 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.

What stage of sleep is Irfan likely experiencing?

• NREM

• REM

• Light Sleep

• Deep Sleep