Table 2 Estimated grand mean and between- and within-individual variance of momentary headache intensity and sleep parameters
| Â | Grand mean (SE) | Between-individual variance (SE) | Within-individual variance (SE) |
|---|---|---|---|
Momentary headache intensity (0-100) | 36.4(4.1) | 449.3(124.9) | 334.4(15.6) |
Parameters from actigraphic data | Â | Â | Â |
   Total sleep time (min) | 412.2(12.3) | 2800.2(1116.6) | 8407.3(961.0) |
   Sleep efficiency (%) | 90.5(1.3) | 41.4(13.1) | 45.8(5.3) |
   Sleep latency (min) | 25.6(4.3) | 400.9(136.2) | 679.0(78.2) |
   WASO (min) | 19.5(3.4) | 242.8(84.8) | 463.4(52.9) |
   Number of awakenings | 2.59(0.33) | 2.04 (0.79) | 5.28(0.61) |
Parameters from self-reports | Â | Â | Â |
   Sleep quality (0-100) | 44.4 (2.4) | 124.3 (42.7) | 209.3 (23.9) |
   Hours of sleep (hour) | 6.40 (0.19) | 0.80 (0.27) | 1.20 (0.15) |
   Number of awakenings | 1.22 (0.17) | 0.64 (0.21) | 0.85 (0.10) |