30 percent managed just 4 to 7 hours sleep as opposed to the recommended 8 or 9 hoursAdds Dr Chris Idzikowski of the Edinburgh Sleep Centre,
Almost a quarter said they fell asleep more than once a week while watching TV, listening to music or using other electronic gadgets.
What we are seeing is the emergence of Junk Sleep - that is sleep that is of neither the length nor quality that it should be in order to feed the brain with the rest it needs to perform properly at school.If you find that your students are having a hard time paying attention or seem unusually groggy, they may not be sleeping enough or may be suffering from junk sleep. Of course it could just be the boring lecture you're giving!
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