Table 3.

Actigraph for Sleep/Wake, Activity/Rest, and Circadian Rhythms Prior to Chemotherapy (n=128–130)

Variable	Mean	SD	Range
Sleep/wake
Sleep-onset latency (min)	11.38	17.88	0–187
Wake after sleep onset (WASO) (min/hr)	62.49/1.04	66.01	0–427 min
Number of awakenings	9.70	5.47	0–27.5
Total sleep time (min/hr)	396.84/6.61	95.74	90.0–604.5
Sleep efficiency (percentage)	86.13	15.14	17.4–100
Percent Wake night	13.87	15.14	0–82.6
Activity/rest
Mean daytime activity	188.37	35.89	57.1–250.1
Total sleep time (min/hr)	64.17/1.07	57.79	0–285
Total wake time (min/hr)	829.72/13.83	133.53	71.5–1081
Sleep percent day	7.49	7.57	0–52.1
Wake percent day	92.51	7.57	47.9–100
Circadian rhythms
Mesor	132.25	24.56	52.2–187
Amplitude	97.18	22.80	26.4–145.7
Acrophase	12:59	-	-
Goodness of Fit	0.62	0.11	0.3–0.88

SD = standard deviation.