E-reading actually may cause a shift in the circadian clock, contrary to the belief that it helps one sleep at night, harming your sleep quality, found scientists.
Quiz on Sleep Disorder
The comfort of modern life comes at the cost of restful sleep! "Laugh and the world laughs with you, snore and you sleep alone-Anthony Burgess" Scientifically it is proven that a good night's sleep is imperative for maintaining a balance between the physical, emotional and behavioral well-being of a person.
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Exposure to light during evening and early nighttime hours suppresses release of the sleep-facilitating hormone melatonin and shifts the circadian clock, making it harder to fall asleep at bedtime.
Anne-Marie Chang, assistant professor of biobehavioral health at Penn State, said that electronic devices emit light that was short-wavelength-enriched light, which has a higher concentration of blue light -- with a peak around 450 nm -- than natural light. This was different from natural light in composition, having a greater impact on sleep and circadian rhythms.
![Circadian Rhythm Sleep Disorders]( "Circadian Rhythm Sleep Disorders")
Circadian rhythm (also known as sleep/wake cycle or the body clock) is a biological process that follows an internal cycle of roughly 24 hours.
Chang and colleagues observed 12 adults for two weeks, comparing when the participants read from an iPad, serving as an e-reader, before bedtime to when they read from a printed book before bedtime. The researchers monitored the participants' melatonin levels, sleep and next-morning alertness, as well as other sleep-related measures.
She said that that their most surprising finding was that individuals using the e-reader were more tired and took longer to become alert the next morning. This had real consequences for daytime functioning, and the effects might be worse in the real world as opposed to the controlled environment we used.
The researchers measured the amount of brightness coming from several devices, including an iPad, iPhone, Kindle, Kindle Fire and Nook Color. The Kindle e-reader does not emit light, while the iPad, Kindle Fire and Nook Color emit similar amounts of light. However, the iPad is the brightest of the devices measured.
The study is published in the Proceedings of the National Academy of Science.
Source: ANI
Circadian Rhythm Sleep Disorders
Circadian rhythm (also known as sleep/wake cycle or the body clock) is a biological process that follows an internal cycle of roughly 24 hours.
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Chang and colleagues observed 12 adults for two weeks, comparing when the participants read from an iPad, serving as an e-reader, before bedtime to when they read from a printed book before bedtime. The researchers monitored the participants' melatonin levels, sleep and next-morning alertness, as well as other sleep-related measures.
She said that that their most surprising finding was that individuals using the e-reader were more tired and took longer to become alert the next morning. This had real consequences for daytime functioning, and the effects might be worse in the real world as opposed to the controlled environment we used.
The researchers measured the amount of brightness coming from several devices, including an iPad, iPhone, Kindle, Kindle Fire and Nook Color. The Kindle e-reader does not emit light, while the iPad, Kindle Fire and Nook Color emit similar amounts of light. However, the iPad is the brightest of the devices measured.
The study is published in the Proceedings of the National Academy of Science.
Source: ANI
Hypersomnia
Hyper means "excessive" and somnia refers to "sleep", so hypersomnia is excessively long or deep sleep despite sleeping for several hours at night.
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 Foods Inducing Sound SleepInsomnia has become a serious health problem and people tend to depend on quick yet risky solutions to get rid of it. But here is the list of nature's best sleep inducing foods right in our kitchen. | Advertisement
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