Table 1.
Whole night NREM and REM sleep time
| Baseline | R2 | R3 | p value | |
|---|---|---|---|---|
| TST, min | 411 ± 6 | 429 ± 6* | 422 ± 6 | 0.022 |
| REM sleep, min | 79 ± 5 | 97 ± 5* | 96 ± 5* | 0.004 |
| N1, min | 40 ± 4 | 33 ± 4 | 35 ± 4 | 0.069 |
| N2, min | 207 ± 6 | 215 ± 6 | 213 ± 6 | 0.485 |
| SWS, min | 84 ± 5 | 84 ± 5 | 78 ± 5 | 0.275 |
| SOL, min | 20 ± 4 | 16 ± 4 | 19 ± 4 | 0.532 |
| WASO, min | 49 ± 4 | 35 ± 4* | 38 ± 4* | 0.013 |
| Sleep efficiency, % | 86 ± 1 | 90 ± 1* | 88 ± 1 | 0.023 |
N1 and N2, stage 1 and 2 non-REM sleep; R2, second recovery night; R3, third recovery night; SOL, sleep onset latency; TST, total sleep time; WASO, wake after sleep onset.
*Significantly different (p < 0.05) compared to baseline in each group.