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Which of the following works features a lone man with windblown hair positioned directly in front of the viewer on a rocky promontory?
REM
Rapid Eye Movement, a phase of sleep characterized by rapid movement of the eyes, increased respiratory rate, and vivid dreams.
NREM
Non-Rapid Eye Movement sleep, a restorative phase of sleep characterized by deep physical relaxation and slower brain waves.
Delta Waves
Low-frequency brain waves that are present during deep sleep and are associated with healing and regeneration in the human body.
Circadian Rhythm
The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.
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