Self-luminous devices and melatonin suppression in adolescents

被引:61
|
作者
Figueiro, M. [1 ]
Overington, D. [1 ]
机构
[1] Rensselaer Polytech Inst, Lighting Res Ctr, 21 Union St, Troy, NY 12180 USA
关键词
LIGHT; SLEEP; IMPACT; HYPOTHALAMUS; EXPOSURE; CHILDREN; NIGHT;
D O I
10.1177/1477153515584979
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Self-luminous devices, such as computers, tablets and cell phones can emit short-wavelength (blue) light, which maximally suppresses melatonin. Melatonin is a hormone that starts rising approximately 2 hours prior to natural bedtimes and signals darkness and sleep to the body. The present study extends from previously published studies showing that light from self-luminous devices suppresses melatonin and delays sleep. This is the first study conducted in the home environment that investigated the effects of self-luminous devices on melatonin levels in adolescents (age 15-17 years). Results show that 1-hour and 2-hour exposure to light from self-luminous devices significantly suppressed melatonin by approximately 23% and 38% respectively. Compared to our previous studies, these results suggest that adolescents may be more sensitive to light than other populations.
引用
收藏
页码:966 / 975
页数:10
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