Actigraphy data
Actiwatches were used to assess sleep efficiency (ratio of total sleep time to time in bed), sleep duration, SOL (time period in minutes from bedtime to sleep onset), WASO (refers to the time in minutes activity was above the sleep threshold after initiation of sleep), total sleep time (time period from sleep onset to awakening minus any recorded as awake time), and number of wake bouts (awakenings) recorded through the night. For consistency with other measured time points, mean values of these variables during week 1 (days 1–7) and week 4 (days 22–28) were calculated for comparison (Table 3). Mean sleep efficiency during the first week of admission was 75.78% (SD = 14.15), with a slight increase to 77.43% (SD = 11.26) during week 4. Sleep duration decreased from 6.39 (SD = 2.01) to 6.24 (SD = 1.71) hours, total sleep time increased slightly from 5.33 (SD = 1.78) to 5.4 (SD = 1.55) hours, number of wake bouts increased from 24.13 (SD = 10.17) to 24.43 (SD = 10.09), SOL decreased from 14.32 (SD = 23.09) to 13.97 (SD = 20.6) minutes, and WASO showed an improvement from 67.95 (SD = 38.86) to 63.48 (SD = 34.05) minutes between weeks 1 and 4, respectively.
Actigraphy dataActiwatches were used to assess sleep efficiency (ratio of total sleep time to time in bed), sleep duration, SOL (time period in minutes from bedtime to sleep onset), WASO (refers to the time in minutes activity was above the sleep threshold after initiation of sleep), total sleep time (time period from sleep onset to awakening minus any recorded as awake time), and number of wake bouts (awakenings) recorded through the night. For consistency with other measured time points, mean values of these variables during week 1 (days 1–7) and week 4 (days 22–28) were calculated for comparison (Table 3). Mean sleep efficiency during the first week of admission was 75.78% (SD = 14.15), with a slight increase to 77.43% (SD = 11.26) during week 4. Sleep duration decreased from 6.39 (SD = 2.01) to 6.24 (SD = 1.71) hours, total sleep time increased slightly from 5.33 (SD = 1.78) to 5.4 (SD = 1.55) hours, number of wake bouts increased from 24.13 (SD = 10.17) to 24.43 (SD = 10.09), SOL decreased from 14.32 (SD = 23.09) to 13.97 (SD = 20.6) minutes, and WASO showed an improvement from 67.95 (SD = 38.86) to 63.48 (SD = 34.05) minutes between weeks 1 and 4, respectively.
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