noun
non-REM sleep; slow-wave sleep
Technical term in sleep medicine; refers to deep sleep stages characterized by slow brain waves. Often contrasted with レム睡眠 (REM sleep).
See also: ノンレム睡眠
徐波睡眠は、成長ホルモンの分泌に重要です。
Slow-wave sleep is important for the secretion of growth hormone.
高齢になると徐波睡眠の時間が減少する。
As we age, the amount of slow-wave sleep decreases.