The Deepest Sleep of Stages 3 and 4 NREM Typically

question 193

True/False

The deepest sleep of stages 3 and 4 NREM typically occurs inthe early morning hours before awakening.

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Definitions:

Masseter

A facial muscle that plays a major role in the chewing of solid foods, one of the strongest muscles in the human body.

Semitendinosus

A muscle in the back of the thigh, part of the hamstring group.

Gastrocnemius

A large muscle located on the back portion of the lower leg, forming part of the calf, that aids in walking, running, and jumping.

Biceps Femoris

A muscle of the thigh that is part of the hamstrings, involved in knee flexion and thigh extension.