Table 2.
Subjects’ objective sleep data.
| SPP | SP | LSP | RSP |
|---|---|---|---|
| TIB (min) | 471.50 ± 4.94 | 472.15 ± 2.96 | 471.77 ± 7.02 |
| SOL (min) | 20.81 ± 5.05 | 19.47 ± 4.63 | 26.00 ± 0.94 |
| TST (min) | 445.20 ± 6.63 | 442.30 ± 6.68 | 441.23 ± 7.68 |
| TWT (min) | 3.69 ± 0.50 | 7.03 ± 3.43 | 4.20 ± 0.38 |
| Awakings (n) | 0.80 ± 0.46 | 0.75 ± 0.70 | 0.23 ± 0.05 |
| Awake (min) | 1.81 ± 2.11 | 3.35 ± 2.37 | 0.33 ± 0.09 |
| SWS (min) | 245.87 ± 27.93 | 231.40 ± 47.07 | 274.07 ± 5.37 |
| REM (min) | 82.59 ± 17.07 | 89.55 ± 3.61 | 70.37 ± 16.36 |
| Awake (%TIB) | 0.41 ± 0.48 | 0.75 ± 0.53 | 0.08 ± 0.02 |
| SWS (%TIB) | 55.25 ± 6.70 | 52.27 ± 10.24 | 62.15 ± 2.39 |
| REM (%TIB) | 18.52 ± 3.66 | 20.26 ± 1.10 | 15.92 ± 3.43 |
| SEI (%) | 94.43 ± 1.07 | 93.68% ± 1.34 | 93.53% ± 0.24 |
Note: TIB = time in bed; SOL = sleep-onset latency; TST = total sleep time; TWT = total wake-up time; SWS = slow-wave sleep time; REM = rapid eye movement; SEI = sleep-efficiency index (TST/TIB).