Survey on the exposed illuminance part1

Proposal of an index for evaluating change in exposed illuminance

Abstract

In this study, sleep state was measured from the measurement of acceleration and acceleration exposed the human.Then, the evaluation index way of the exposed illuminance was proposed, and the effect on the sleep of the light by the way exposed was examined.The subject is the office worker 1 person,student 1 person (February-March, 2003).And, the object index of the sleep was calculated by the sleep analysis software.Though in this study, the morning/evening ratio (A-B hours after waking- up / C hours before going to bed) was proposed as a way of exposed light, the relationship between light condition and sleep index was shown.