Table 1.
Visually-scored sleep variables (mean ± SD) for whole-night data (n = 10).
| Sleep Variables | Mean ± SD | Min | Max |
|---|---|---|---|
| Time in bed (min) | 609.2 ± 67.4 | 483.7 | 647.0 |
| Total sleep time (min) | 545.3 ± 77.2 | 390.0 | 619.7 |
| Stage 1 (%) | 1.1 ± 0.3 | 0.7 | 1.6 |
| Stage 2 (%) | 35.4 ± 4.6 | 27.3 | 44.2 |
| SWS (%) | 31.0 ± 7.3 | 21.1 | 41.6 |
| REM sleep (%) | 32.5 ± 6.1 | 21.8 | 41.8 |
| NREM sleep (%) | 66.4 ± 6.1 | 48.2 | 68.3 |
| Sleep cycle duration (min) | 83.3 ± 19.3 | 50.5 | 120.4 |
Sleep stages are presented as a percentage of total sleep time; SWS, slow-wave sleep as non-rapid eye movement Stage N3 sleep; REM sleep, rapid eye movement sleep; NREM sleep, non-rapid eye movement sleep.