Correlation between wrist activity monitor and electrophysiological measures of sleep in a simulated shiftwork environment for younger and older subjects.

摘要: Although several studies have examined the correlation between nocturnal PSG and activity measurement, validation of actigraphically measured sleep in shiftworking populations not been reported. This study investigates recorded using EEG actigraphic techniques during a simulated 12-hour shift rotation. Thirty-two subjects were allocated to groups according age. Group (1) included sixteen mean (+/- s.d.) age 21.2 +/- 2.7 years, (2) 43.9 6.8 years. An adaptation night was followed by two day shifts (7 am-7 pm), 24 hours off then pm-7 am). For entire wore an monitor, while bed, polysomnography; both collected 30-second epochs. A high epoch for agreement wrist monitoring measures daytime nighttime periods (80-90%). There duration young (0.98-0.77) older (0.78-0.96) all periods. Sleep efficiency correlations extremely variable (0.72-0.15) (-0.18-0.58) Taken together these results suggest that is valid measure sleep/wake duration, shiftwork environment. However, some caution should be used more specific measures, such as particularly subjects.