![Morethannineoutof10youngpeopleexposethemselvestotheblue...]( "Morethannineoutof10youngpeopleexposethemselvestotheblue...")
- 问题详情：Morethannineoutof10youngpeopleexposethemselvestothebluelightfromsmartphones beforebed,causingproblemswithsleep.Anewsurveyalsoshowsmorethan28millionpeopleintheUKregularlygetnomorethansevenhourssleepanight.ProfRichardWiseman,whocommissionedthe...
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