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Sleep architecture. WASO: wake after sleep onset.
| mean | SD | |
|---|---|---|
| N1(%) | 29.8 | 21.8 |
| N2 (%) | 40.5 | 13.7 |
| N3 (%) | 13.2 | 9.0 |
| REM (%) | 16.5 | 8.0 |
| N1 (min) | 171.4 | 175.0 |
| N2 (min) | 203.9 | 74.0 |
| N3 (min) | 64.1 | 45.7 |
| REM (min) | 81.1 | 41.0 |
| total sleep (min) | 520.5 | 113.5 |
| WASO (min) | 82.9 | 77.2 |
| sleep efficiency (%) | 87.1 | 11.7 |
