In studies, a sleep state is NOT commonly established by recording:
A)brain-wave activity.
B)neck muscle activity.
C)eye movement.
D)heartbeat.

Name: In studies, a sleep state is NOT commonly established by recording: A)brain-wave activity. B)neck muscle activity. C)eye movement. D)heartbeat.
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Question

Quizplus · Accepted Answer

Heartbeat is not commonly used to establish sleep states, as brain-wave activity, neck muscle activity, and eye movement are more directly related to identifying different stages of sleep.

In Studies, a Sleep State Is NOT Commonly Established by Recording