Do Screens Before Bed Really Hurt Your Sleep? What the Research Shows
In a Harvard lab study, reading on an iPad for 4 hours before bed delayed sleep by about 10 minutes and reduced REM sleep. Here is how much screens matter, and what helps.
In a Harvard lab study, reading on an iPad for 4 hours before bed delayed sleep by about 10 minutes and reduced REM sleep. Here is how much screens matter, and what helps.