Sentences with phrase «hours before bed reported»
And in a two - week trial at Brigham and Women's Hospital in Boston, published in 2014, volunteers who read on an iPad for four hours before bed reported feeling less sleepy, took an average of 10 minutes longer to fall asleep and slept less deeply compared with those who read paper books at night.
https://www.scientificamerican.com/ Not exact matches
Children who reported watching TV or playing video games before bed got an average of 30 minutes less sleep than those who did not, while kids who used their phone or a computer before bed averaged an hour less of sleep than those who did not.