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. 2011 Jun 4;2011:936298. doi: 10.4061/2011/936298

Table 2.

Night and day characteristics (N = 110).

Mean (SD) Median Range
Night Sleep Variables
 Total sleep (minutes) 426 (107.4) 441 26–609
 Number of WAKES 13.5 (6.1) 13.5 3–40
 Wake time (minutes)* 167 (105.1) 139 15–590
 Wake % during night* 27.3 (16.8) 22.9 2.7–94.7

Daytime Sleep Variable
 Nap (minutes) 85 (89.2) 61 0–390

*After first sleep onset, until last sleep onset; night time (21 : 00–08 : 59); average of three consecutive nights.

During daytime (09 : 00–20 : 59); average of two consecutive days.