REM sleep vs. deep, slow-wave sleep and their importance for cardiovascular and emotional health | Matthew Walker
Multiple stages of sleep have been identified, each with its own ascribed function. Rapid-eye-movement, or REM, sleep is a distinct phase of sleep characterized by eye movements similar to those of wakefulness. REM sleep occurs 70 to 90 minutes after a person first falls asleep and is essential for emotional well-being. On the other hand, deep, slow-wave sleep, which occurs during non-REM periods, provides a homeostatic recalibration of blood pressure, an essential element of cardiovascular health. In this clip, Dr. Matthew Walker describes how the different stages of sleep influence emotional and cardiovascular health.
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