Open AccessBlue-enriched office light competes with natural light as a zeitgeber
Author(s) -
Céline Vetter,
Myriam Juda,
Dieter Lang,
Andreas Wojtysiak,
Till Roenneberg
Publication year - 2011
Publication title -
scandinavian journal of work environment and health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.621
H-Index - 103
eISSN - 1795-990X
pISSN - 0355-3140
DOI - 10.5271/sjweh.3144
Subject(s) - zeitgeber , circadian rhythm , artificial light , blue light , circadian clock , psychology , medicine , biology , physics , optics , illuminance
Circadian regulation of human physiology and behavior (eg, body temperature or sleep-timing), depends on the "zeitgeber" light that synchronizes them to the 24-hour day. This study investigated the effect of changing light temperature at the workplace from 4000 Kelvin (K) to 8000 K on sleep-wake and activity-rest behavior.
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