More Science Says Smartphones Spoil Sleep. The more time you spend on your smartphone, the worse you'll sleep, a new study suggests.
People in the study who used their smartphones for more time during the month-long study period got less sleep and were less likely to sleep well than those who spent less time on their phones, according to the study. And people who used their smartphones right before bedtime took longer to fall asleep, according to the study, published today (Nov. 9) in the journal PLOS ONE. The findings suggest that "exposure to smartphone screens, particularly around bedtime, may negatively impact sleep," the researchers wrote. In the study, researchers asked 653 adults to install an app on their Android phones that recorded how many minutes the phone's screen was turned on, whenever the phone was not in airplane mode.
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