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. 2017 Oct 27;17:253. doi: 10.1186/s12877-017-0653-7

Table 2.

Actigraphically measured sleep parameters, mean values with standard deviations

Sleep parameters (n = 83)
Time spent in bed (hours:min), mean (SD) 12:20 (1:43)
Observation nights, mean (SD) 6.6 (1.0)
Sleep efficiency (%), mean (SD) 64.1 (19.2)
Sleep efficiency below 85% 89.2% (n = 74)
SOL (min), mean (SD) 57.9 (80.1)
Patients with SOL above 30 min 45.8% (n = 38)
WASO (min), mean (SD) 151.8 (80.2)
WASO above 30 min 97.6% (n = 81)
EMA (min), mean (SD) 54.5 (66.5)
EMA above 30 min 59.0% (n = 49)
NoW mean (SD) 32.1 (13.4)
NoW equal or above 3 98.8% (n = 82)
Length of wake bouts (min), mean (SD) 5.1 (3.1)
Bedtime (hours:min), mean (SD) 20:20 (2.21)
Wake up time (hours:min), mean (SD) 8:57 (1:29)

SOL refers to sleep onset latency. WASO refers to wake after sleep onset. EMA refers to early morning awakening. NoW refers to the number of wake bouts