![]() There are more serious health issues to consider if you aren’t getting enough sleep. Unsurprisingly, the ebook reader group reported feeling less tired in the evening, but they also reported that they felt more tired in the morning, despite having the same duration of sleep as the other group. On average, they took 10 minutes longer to fall asleep and displayed significantly less rapid eye movement (REM) sleep than the group reading printed books. The patients using the ebook reader showed suppressed levels of melatonin. The paper assessed two groups half read a normal printed book for four hours before bedtime for five consecutive nights, while the other group read a light-emitting ebook reader for the same period. ![]() “In the past 50 years, there has been a decline in average sleep duration and quality, with adverse consequences on general health,” so begins an illuminating paper entitled, Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness, based on research from Harvard Medical School, amongst other places. “In the past 50 years, there has been a decline in average sleep duration and quality.” Blue light therapy is frequently used to shift sleep patterns and tackle sleep disorders. Daylight traditionally keeps those rhythms aligned with our environments. Someone who routinely stays up late probably has a longer rhythm than an early riser. Our circadian rhythms determine our internal clocks. The impact of blue light has been well-known to sleep researchers and scientists for many years now. ![]() Melatonin is the key that starts the engine for sleep.” That particular spectrum of light hits these cells and makes them send a signal to an area of the brain known as the suprachiasmatic nucleus and tells it to turn off melatonin production. “Blue runs in about the 460 nanometer range, in terms of the spectrum of light. “There are about 30,000 cells inside your eye that are reactive to the wavelength of light which would be considered blue,” explains clinical psychologist and sleep therapist, Dr. What is UFS 3.0 storage? We asked an expert about the SSD for phonesįelix Gray’s latest glasses cut down on blue light to help you sleep What does Sprint and T-Mobile’s merger mean for you? We asked the experts
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