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Mean (SD) polysomnographic sleep parameters
| Sleep parameter | |
|---|---|
| Sleep latency (min) | 26.67 (18.34) |
| Total sleep time (min) | 446.70 (34.56) |
| Sleep efficiency (%) | 95.56 (4.99) |
| Stage 1 (%) | 4.70 (2.39) |
| Stage 2 (%) | 60.17 (6.03) |
| Stage 3 (%) | 7.62 (2.92) |
| Stage 4 (%) | 3.00 (3.88) |
| REM sleep (%) | 24.51 (2.94) |
