Table 2.

Unadjusted self-reported sleep information derived from sleep logs.

Condition (n = 32)	Nighttime Sleep (min)		Naps (min)		Wake After Sleep Onset (min)		Total Sleep (min)
	Men	Women	Men	Women	Men	Women	Men	Women
Watch	391 ± 82	435 ± 88*	19 ± 53	17 ± 48	16 ± 22	8 ± 14*	410 ± 92	452 ± 106*
	421 ± 88†		17 ± 49		11 ± 17		438 ± 103
Control	399 ± 84	448 ± 87*	9 ± 32	11 ± 33	13 ± 27	8 ± 16*	408 ± 82	459 ± 94*
	433 ± 88		10 ± 33		9 ± 20		443 ± 93

^*In regression models, women had less wake after sleep-onset periods than men and greater nighttime and total sleep durations after adjusting for age, order, and effect of wearing the watch (see Table 3). †Compared with control condition (P = .07; see Table 3).