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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Appetite. 2014 May 21;80:220–224. doi: 10.1016/j.appet.2014.05.021

Table 1. Effect of Bedtime Extension on Actigraphy-Based Sleep Characteristics.

Characteristic Habitual Bedtimes Extended Bedtimes p value
Sleep duration (hour) 5.6 (0.1) 7.1 (0.1) < 0.001
Bedtime duration (hour) 6.4 (0.2) 8.2 (0.1) < 0.001
Sleep efficiency (%) 86.5 (1.4) 86.5 (1.3) 0.995
Sleep latency (minute) 8.2 (1.8) 10.6 (1.7) 0.282
Daytime activity (counts/minute) * 394 (25) 423 (24) 0.020

Data are mean (SE)

*

Calculated as the average activity counts from the wrist actigraphy recordings during the periods when subjects were not in bed to sleep