Sleep Stages

Lindsay is having an extremely vivid, storylike dream, with rich detail.

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

Jack, a 7 year old child, has just wet the bed.

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

Lisa is feeling hypnagogic sensations, such as feelings of floating or feelings of falling

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

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

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

Paul 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.

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

Jeff is experiencing slow alpha waves in his brain.

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM

Nora is asleep, but could be awakened easily. Her brain is experiencing sleep spindles.

• Awake

• NREM 1

• NREM 2

• NREM 3

• REM