From: Validity of an algorithm for determining sleep/wake states using a new actigraph
FS-750 | ||||||||
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Polysomnography | ||||||||
Before optimization | After optimization | |||||||
Mean ± SE | Mean ± SE | t | ICC | Mean ± SE | t | ICC | ||
Sleep latency | min | 11.8 ± 2.9 | 6.7 ± 1.1 | 1.766 | 0.124 | 12.7 ± 2.7 | -0.310 | 0.403** |
Wake after sleep onset | min | 44.1 ± 11.5 | 69.5 ± 8.8 | -2.360* | 0.419** | 41.2 ± 7.9 | 0.271 | 0.427** |
Total sleep time | min | 424.2 ± 13.0 | 403.8 ± 8.7 | 1.716 | 0.411** | 426.1 ± 8.0 | -0.165 | 0.412** |
Sleep efficiency | % | 88.4 ± 2.7 | 84.1 ± 1.8 | 1.716 | 0.411** | 88.8 ± 1.7 | -0.166 | 0.412** |