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Using iPads before bed ‘can lead to a poor night’s sleep’

Posted By admin On September 10, 2012 @ 8:44 am In Sci Tech | Comments Disabled

Stephen Adams
London Telegraph [1]
Sept 10, 2012

More and more people are taking their tablets to bed with them to surf the web, check Facebook or email before switching off the light.

But researchers are warning that the blueish light their screens emit can stop users getting a good night’s sleep.

That is because this type of light mimics daylight, convincing the brain that it is still daytime.

Blue light suppresses production of a brain chemical called melatonin, which helps us fall sleep. This is because our brains have evolved to be wakeful during daylight hours.

By contrast, light which is more orange or red in tone does not suppress melatonin production, perhaps because our brains recognise it as a cue that the day is ending.

Full article here [1]


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URLs in this post:

[1] London Telegraph: http://www.telegraph.co.uk/health/healthnews/9533249/Using-iPads-before-bed-can-lead-to-a-poor-nights-sleep.html

[2] New concerns over swine flu jab after children given it ‘hit by sudden sleep syndrome’: http://www.prisonplanet.com/new-concerns-over-swine-flu-jab-after-children-given-it-hit-by-sudden-sleep-syndrome.html

[3] Boy, 7, develops narcolepsy after being given swine flu jab leading him to sleep for 19 HOURS every day: http://www.prisonplanet.com/boy-7-develops-narcolepsy-after-being-given-swine-flu-jab-leading-him-to-sleep-for-19-hours-every-day.html

[4] Two Percent Of People Are Superhumans Who Don’t Need More Than A Few Hours Of Sleep: http://www.prisonplanet.com/two-percent-of-people-are-superhumans-who-dont-need-more-than-a-few-hours-of-sleep.html

[5] ‘Smart’ Utility Meters Causing Sleep Trouble, Headaches, Heart Problems: http://www.prisonplanet.com/%e2%80%98smart%e2%80%99-utility-meters-causing-sleep-trouble-headaches-heart-problems.html

[6] Quarter of children with sleep problems being medicated with psych drugs: http://www.prisonplanet.com/quarter-of-children-with-sleep-problems-being-medicated-with-psych-drugs.html

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