Reading on iPad before bed can affect sleep habits. Light-emitting devices, including cellphones and yep, the iPad, tell the brain to stay alert. Because users hold those devices so close to their face, staring directly into the light, the effect is amplified compared with, say, a TV across the room or a bedside lamp, said Frisca Yan-Go, director of the UCLA Sleep Disorders Center in Santa Monica. [Los Angeles Times]
It’s an interesting possibility. I use a laptop right up until I go to bed, and often have trouble getting to sleep (although the elephants stampeding upstairs certainly don’t help). On the other hand, I’m wary of studies these days, as they are often politically motivated and wildly exaggerate dangers (secondhand smoke) or make them up completely (cell phones causing cancer).
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