Mike Elgan: Why gadget lights are dangerous
Device makers put lights on everything. Yes, the lights are annoying, but they can also wreck your health.
Computerworld - When I turn off my bedroom light at night, the room is still lit up like the bridge of the Starship Enterprise. No, I'm not some sci-fi fanboy, just a gadget-happy materialist.
Lights on during sleep harms health
New science has shed light on various health effects of sleeping in a room that isn't dark.
Lights at night can make you depressed and fat. An Ohio State University experiment on mice led researchers to conclude that even dim light in a room during sleep may cause depression. In a different study, Ohio State researchers found that sleeping in a dimly lighted room increases the amount of hunger experienced during the day, which can contribute to weight gain and possibly susceptibility to diabetes.
Sleeping in a room with dim lights increases a woman's chance of getting breast cancer, according to research conducted at the National Cancer Institute and National Institute of Environmental Health Sciences. The reason is that the body produces a cancer-fighting hormone called melatonin at night during sleep. But this process is interrupted if the room isn't dark.
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