Reading e-books before going to bed reduces the quality of sleep

ByLeo Laporte

The number of readers of e-books has increased and the form of reading has changed, but as with paper books reading the e-book before going to bed, the result of sleep quality deteriorates and the fatigue of the next morning increases Was announced.

BBC News - E-books 'damage sleep and health,' doctors warn
http://www.bbc.com/news/health-30574260

The team at Harvard Medical Graduate School who conducted the study compares sleeping when reading a paper book and reading an e-book before going to bed. In the experiment, 12 people were detained in the laboratory for 2 weeks, reading was done in a paper book for 5 days before 12 days out of 12 days, the same thing was done in an electronic book on iPad for another 5 days I had him go. As a result of blood collection, when I was reading an e-book, melatonin in the blood was decreasing, not only did it take time to sleep but I was tired the next day because I did not have enough sleep.

In our body there is a body clock that clocks the rhythm of the day and night. The body recognizes whether it is daytime or night by light, but it is emitted from an LED backlight of a smartphone or a tabletHigh energy visible light (HEV),So-calledBlue lightIs a sleep hormoneMelatoninIt will hinder the generation of this biological clock will go crazy.

ByElena

This research shows that not only the iPad but also e-book readers such as Kindle Fire will have the same impact, but e-book readers also have no backlight typeOriginal KindleThere is no problem reading it before going to bed.

This research is a result of demonstrating the harm of blue light which had been said before, Professor Charles Czeisler of the research leader said, "The vast majority of e-book readers emit light directly to the reader. However, in the case of the original Kindle, the reader is exposed only to reflected light. "He told me that he should refrain from use before going to bed for types with backlight. If you lack sleep you risk increasing the risk of getting metabolic diseases such as cancer, heart disease, obesity and diabetes, so caution is necessary for everyday users who use e-books on a daily basis.

ByFidel Ramos