How Do the Sleep Cycles Change Over the Course of a Typical

question 405

Short Answer

How do the sleep cycles change over the course of a typical night's sleep?

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Definitions:

Norepinephrine

A chemical substance acting as both a hormone and neurotransmitter that plays a critical role in the body's fight or flight reaction, influencing blood sugar, heart rate, and blood pressure.

Cerebellum

A major structure of the brain that plays an essential role in motor control, balance, coordination, and speech.

Intention Tremor

A rhythmic, oscillatory movement disorder that worsens with targeted movement or when approaching a precise task, often linked to disorders of the cerebellum.

Muscle Tone

The continuous and passive partial contraction of the muscles, which helps maintain posture.