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Identified Sleep Features Significantly Different from Other Menstrual Cycle Phases in Women
| Early follicular | Late follicular | Early luteal | Late luteal | |
|---|---|---|---|---|
| Sleep quality | −12 | |||
| REM amount | +13 | +13 | −11,12 | −11,12 |
| Spindle frequency | +12,13 | +12,13 | ||
| NREM/TR sleep amount | +13 | +13 |
Superscript numbers show publication references reporting the finding.
NREM, non-REM; REM, rapid eye movement; TR, transition to REM, aka Stage 2.
