Table 3.
Circadian variation of activites of the brain’s network, estimated by HRV, in Groups A and B.
| Case | Pre | ISS03 | t | p | |||
|---|---|---|---|---|---|---|---|
| Mean | SE | Mean | SE | ||||
| Group A | |||||||
| Late Sleep (04:30) | |||||||
| 1 | LF | 914.7 | 84.3 | 682.1 | 39.6 | ||
| HF | 363.1 | 22.1 | 103.7 | 6.0 | |||
| 2 | LF | 749.6 | 57.4 | 732.3 | 61.1 | ||
| HF | 283.3 | 24.4 | 276.8 | 23.5 | |||
| 3 | LF | 84.0 | 7.5 | 199.1 | 14.9 | 6.89 | <0.0001 |
| HF | 49.6 | 2.3 | 40.7 | 2.5 | |||
| 4 | LF | 318.5 | 38.7 | 825.6 | 83.5 | 5.51 | <0.0001 |
| HF | 63.7 | 4.3 | 225.7 | 14.7 | 10.60 | <0.0001 | |
| Morning (07:30) | |||||||
| 1 | LF | 404.1 | 35.6 | 552.4 | 53.4 | ||
| HF | 103.1 | 10.8 | 103.3 | 8.3 | |||
| 2 | LF | 704.8 | 46.7 | 873.3 | 59.5 | ||
| HF | 216.1 | 24.1 | 156.6 | 7.0 | |||
| 3 | LF | 130.0 | 9.8 | 138.6 | 12.8 | ||
| HF | 48.9 | 2.9 | 46.9 | 3.8 | |||
| 4 | LF | 596.4 | 60.1 | 764.7 | 46.9 | ||
| HF | 74.4 | 6.3 | 136.2 | 9.1 | 5.6 | <0.0001 | |
| Afternoon (14:30) | |||||||
| 1 | LF | 332.0 | 33.5 | 412.2 | 43.5 | ||
| HF | 73.2 | 6.2 | 107.6 | 10.8 | |||
| 2 | LF | 710.8 | 66.5 | 771.4 | 51.1 | ||
| HF | 151.6 | 12.0 | 173.0 | 7.3 | |||
| 3 | LF | 115.3 | 6.9 | 124.5 | 8.2 | ||
| HF | 41.7 | 1.9 | 31.7 | 1.8 | |||
| 4 | LF | 480.5 | 47.5 | 481.4 | 40.7 | ||
| HF | 60.4 | 4.1 | 137.3 | 6.1 | 10.49 | <0.0001 | |
| Evening (21:30) | |||||||
| 1 | LF | 206.0 | 21.0 | 560.6 | 33.0 | 9.06 | <0.0001 |
| HF | 74.6 | 4.5 | 126.8 | 5.9 | 7.02 | <0.0001 | |
| 2 | LF | 481.2 | 46.2 | 847.4 | 63.3 | 4.67 | 0.0002 |
| HF | 146.5 | 8.0 | 201.9 | 16.1 | 3.08 | 0.0335 | |
| 3 | LF | 136.4 | 11.2 | 102.1 | 10.7 | ||
| HF | 46.6 | 3.1 | 27.6 | 1.5 | |||
| 4 | LF | 345.5 | 71.9 | 488.2 | 60.8 | ||
| HF | 61.3 | 6.5 | 165.1 | 11.9 | 7.64 | <0.0001 | |
| Early Sleep (00:30) | |||||||
| 1 | LF | 471.3 | 43.0 | 938.6 | 65.9 | 5.94 | <0.0001 |
| HF | 190.5 | 16.8 | 180.6 | 8.7 | |||
| 2 | LF | 456.4 | 47.1 | 987.9 | 70.0 | 6.30 | <0.0001 |
| HF | 190.8 | 17.6 | 558.5 | 35.4 | 9.31 | <0.0001 | |
| 3 | LF | 90.7 | 9.2 | 275.7 | 30.0 | 5.90 | <0.0001 |
| HF | 39.6 | 3.2 | 29.8 | 2.1 | |||
| 4 | LF | 642.0 | 74.5 | 798.6 | 66.8 | ||
| HF | 74.7 | 9.8 | 287.3 | 18.3 | 10.25 | <0.0001 | |
| Group B1 | |||||||
| Late Sleep (04:30) | |||||||
| 5 | LF | 494.0 | 44.2 | 426.5 | 34.7 | ||
| HF | 142.8 | 10.7 | 469.7 | 13.4 | 19.04 | <0.0001 | |
| 6 | LF | 645.6 | 63.4 | 505.2 | 63.6 | ||
| HF | 90.6 | 8.1 | 81.9 | 2.6 | |||
| Morning (07:30) | |||||||
| 5 | LF | 362.5 | 25.3 | 199.3 | 17.2 | ||
| HF | 109.9 | 5.5 | 87.3 | 6.7 | |||
| 6 | LF | 574.0 | 74.6 | 506.4 | 33.2 | ||
| HF | 59.6 | 7.0 | 80.0 | 4.6 | |||
| Afternoon (14:30) | |||||||
| 5 | LF | 645.7 | 35.3 | 232.5 | 21.0 | ||
| HF | 171.9 | 9.3 | 89.4 | 7.5 | |||
| 6 | LF | 489.4 | 31.8 | 267.5 | 36.3 | ||
| HF | 45.4 | 2.8 | 38.6 | 4.7 | |||
| Evening (21:30) | |||||||
| 5 | LF | 558.1 | 41.4 | 269.2 | 21.1 | ||
| HF | 98.5 | 5.0 | 261.9 | 17.5 | 8.96 | <0.0001 | |
| 6 | LF | 391.8 | 43.0 | 459.6 | 23.1 | ||
| HF | 58.5 | 6.2 | 67.0 | 2.5 | |||
| Early Sleep (00:30) | |||||||
| 5 | LF | 378.0 | 35.1 | 258.5 | 23.3 | ||
| HF | 125.2 | 8.3 | 426.6 | 18.5 | 14.83 | <0.0001 | |
| 6 | LF | 630.9 | 61.6 | 506.5 | 70.1 | ||
| HF | 87.8 | 7.2 | 87.2 | 3.7 | |||
| Group B2 | |||||||
| Late Sleep (04:30) | |||||||
| 7 | LF | 666.0 | 62.6 | 757.2 | 68.4 | ||
| HF | 244.7 | 14.3 | 169.8 | 8.5 | |||
| 8 | LF | 1411.9 | 72.8 | 1894.1 | 91.0 | 4.14 | <0.0001 |
| HF | 428.6 | 22.3 | 435.1 | 20.2 | |||
| Morning (07:30) | |||||||
| 7 | LF | 865.5 | 95.1 | 569.9 | 41.3 | ||
| HF | 184.4 | 14.6 | 141.8 | 6.7 | |||
| 8 | LF | 1301.9 | 80.4 | 885.0 | 69.1 | ||
| HF | 256.0 | 16.3 | 180.2 | 11.4 | |||
| Afternoon (14:30) | |||||||
| 7 | LF | 778.8 | 58.1 | 494.5 | 37.9 | ||
| HF | 135.7 | 8.8 | 109.8 | 4.6 | |||
| 8 | LF | 1090.8 | 106.1 | 772.7 | 61.2 | ||
| HF | 150.5 | 8.6 | 164.8 | 13.7 | |||
| Evening (21:30) | |||||||
| 7 | LF | 410.8 | 35.2 | 529.8 | 70.0 | ||
| HF | 118.0 | 4.6 | 114.6 | 5.7 | |||
| 8 | LF | 444.5 | 40.3 | 518.4 | 48.8 | ||
| HF | 135.5 | 13.3 | 100.6 | 9.0 | |||
| Early Sleep (00:30) | |||||||
| 7 | LF | 612.1 | 55.0 | 646.4 | 60.7 | ||
| HF | 183.9 | 13.5 | 159.8 | 8.1 | |||
| 8 | LF | 1696.6 | 96.2 | 1184.5 | 76.1 | ||
| HF | 329.7 | 19.7 | 264.3 | 10.2 | |||
LF: HRV LF-component (0.05–0.15 Hz).
HF: HRV HF-component (0.15–0.50 Hz).
N between 34 and 37; t: Student t; p: P-value (Sidak correction).