Table 2 Actigraphic data on sleep and the rest-activity cycles from spring 2006 (before versus after DST transition).
From: Transitions into and out of daylight saving time compromise sleep and the rest-activity cycles
SPRING | Mean/before | 95% confidence interval/before | Standard deviation/before | Mean/after | 95% confidence interval/after | Standard deviation/after | |
|---|---|---|---|---|---|---|---|
Sleep efficiency (%) | 87.29 | 83.26 – 91.23 | 4.82 | 83.78 | 76.51 – 91.06 | 8.70 | 0.161 |
Movement and fragmentation index | 20.93 | 15.82 – 26.05 | 6.12 | 28.68 | 18.82 – 38.55 | 11.80 | 0.019 |
Relative amplitude | 0.94 | 0.92 – 0.96 | 0.03 | 0.91 | 0.88 – 0.95 | 0.05 | 0.140 |
Intra-daily stability | 0.64 | 0.53 – 0.76 | 0.15 | 0.62 | 0.49 – 0.75 | 0.17 | 0.313 |
Intra-daily variability | 0.92 | 0.76 – 1.10 | 0.20 | 0.84 | 0.66 – 1.02 | 0.24 | 0.354 |