Linking Light Exposure and Subsequent Sleep: A Field Polysomnography Study in Humans

  title={Linking Light Exposure and Subsequent Sleep: A Field Polysomnography Study in Humans},
  author={Emma J. Wams and Tom Woelders and Irene Marring and Laura van Rosmalen and Domien G. M. Beersma and Marijke C. M. Gordijn and Roelof A Hut},
Study objectives To determine the effect of light exposure on subsequent sleep characteristics under ambulatory field conditions. Methods Twenty healthy participants were fitted with ambulatory polysomnography (PSG) and wrist-actigraphs to assess light exposure, rest-activity, sleep quality, timing, and architecture. Laboratory salivary dim-light melatonin onset was analyzed to determine endogenous circadian phase. Results Later circadian clock phase was associated with lower intensity (R2… CONTINUE READING
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