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Sleep

Slow-Wave Sleep

Slow-wave sleep (SWS) is deep NREM sleep with large, slow brain waves—where much physical restoration, immune support, and memory consolidation occur. It concentrates in the first half of the night and drops with age and sleep debt.

Slow-wave sleep (SWS) is deep NREM sleep with large, slow brain waves—where much physical restoration, immune support, and memory consolidation occur. It concentrates in the first half of the night and drops with age and sleep debt.

Alcohol and late stimulants suppress SWS even when total hours look fine.

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