Scottish Daily Mail

Phones ‘harm­ing sleep’

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A BRI­TISH doc­tor has called on tech­nol­ogy firms to de­velop an au­to­matic bed­time mode for smart­phones to stop them harm­ing sleep­ing pat­terns.

The blue light emit­ted by smart­phones, tablets and eRead­ers is dis­rupt­ing body clocks, ac­cord­ing to ex­perts. It mim­ics nor­mal day­light and means users, par­tic­u­larly chil­dren, are kept awake.

Pro­fes­sor Paul Gringras, of Evelina Chil­dren’s Hos­pi­tal in Lon­don, said screens need a set­ting for the end of the day to fil­ter out the blue light that de­lays the body clock.

He was part of a study pub­lished in the jour­nal Fron­tiers in Pub­lic Health that found there was a trend for de­vices to emit more such light.

He said: ‘That is great for use in the day, but aw­ful for use at night. There is con­verg­ing data to say if you are in front of one of these de­vices at night­time it could pre­vent you fall­ing asleep by an ex­tra hour.’

 ??  ?? ‘My phone’s just switchedon to bed­time mode’
‘My phone’s just switchedon to bed­time mode’
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