Sleep Cycle

Definition

An oscillation between the slow-wave and REM (paradoxical) phases of sleep.

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A cycle lasts ~90 minutes. Stages: NREM 1, NREM 2, NREM 3 (Deep), REM (Dreaming).

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Physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process.

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Anabolic

Metabolic pathways that construct molecules from smaller units.

Anaerobic Exercise

Physical exercise intense enough to cause lactate to form.

Atrophy

The wasting away or decrease in size of an organ or tissue in the body.

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This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.