Evening use of light-emitting tablets may disrupt healthy sleep @ Study
Date: May 23, 2018
Source: Wiley
Summary: A new study reveals that evening use of light-emitting tablets can induce delays in desired bedtimes, suppress secretion of melatonin (the hormone that regulates sleep and wakefulness), and impair next-morning alertness.
Nine healthy adults participated in a randomized and counterbalanced study comparing 5 consecutive evenings of unrestricted use of light-emitting tablet computers versus evenings reading from printed materials.
“These findings provide more evidence that light-emitting electronic devices have biological effects,” said co-author Dr. Jeanne Duffy, of Brigham and Women’s Hospital and Harvard Medical School. “Using light-emitting electronic devices in the late evening can postpone our decision to go to sleep, and make us more sleepy the next morning.”
Study Published @ https://physoc.onlinelibrary.wiley.com/doi/epdf/10.14814/phy2.13692
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