Reading On A Screen Before Bed Might Be Killing You

For some time now, doctors and researchers have been saying the use of electronic devices like iPads, e-readers and smartphones before bed will cause you to have trouble falling asleep. However, browsing the web or reading from a backlit screen may be more dangerous than we ever thought, according to a new study backed by the National Institute of Health.

The researchers from Brigham and Women’s Hospital randomly assigned 12 participants to two groups; the first read LE e-books on an iPad four hours before they went to bed each night for five nights straight, while the second read printed books. After five nights, they switched it up; the first set read printed books before bed, and the second set was given e-readers. At the same time, researchers took data on how the participants responded to each type of stimulation.

As you might guess, participants using electronic devices took longer to fall asleep each night than those reading regular books, and were less sleepy before bedtime. However, they also spent less time in REM sleep (the phase that helps restore and recharge the body).

Researchers said that, although iPads were used in their study, this effect would likely be the same for any and all light-emitting gadgets — smartphones, laptops, kindles, tablets of all sorts, so on and so forth. Also according to the study, data from a representative survey of 1,508 Americans indicated a whopping 90 percent use some light-emitting device before bed.

Is it any wonder we can’t seem to get adequate rest? Maybe not. “In the past 50 years, there has been a decline in average sleep duration and quality,” says study co-author Charles Czeisler, chief of BWH Division of Sleep and Circadian Disorders. “Since more people are choosing electronic devices for reading, communication and entertainment, particularly children and adolescents who already experience significant sleep loss, epidemiological research evaluating the long-term consequences of these devices on health and safety is urgently needed.”

As science continually explores the detriments to nighttime light exposure its effects on our biologies, they are finding more and more long-term health issues.

There’s a body of research linking reduced sleep with conditions like obesity and diabetes. In addition, scientists have found associations between interrupted circadian rhythms and an increased risk of breast cancer and prostate cancer, and are exploring other cancer risks.

  By Organic Health


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