Night “trills” can lead to blindness. Scientists reveal the dangers of snoring
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Studies show that people who snore are more prone to developing glaucoma.
In a new study, scientists have found a link between snoring, poor sleep and the risk of blindness – if you tend to snore or fall asleep in broad daylight, this can be a dangerous wake-up call for your vision, writes the Daily Mail.
The study took more than 400 thousands of people aged 40 to 69 — for 15 years, scientists observed their sleep habits, and then checked whether they developed glaucoma.
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The group of people who slept from 7 to 9 hours was classified as a healthy group, the rest did not have a healthy sleep. In total, during the study, scientists identified almost 8.7 thousand cases of glaucoma. It was most common in older men who smoked, suffered from high blood pressure and diabetes.
During the study, scientists also found that short sleep increased the chances of developing glaucoma by 8%, snoring by 4%, and insomnia, too short or long sleep – by a record 20%. In addition, scientists found that snorers and those who experienced daytime sleepiness were 13% more likely to develop glaucoma.
According to the authors of the study, it is necessary to pay attention to snoring, drowsiness, insomnia, short-term or too prolonged sleep. All of these factors may indicate a risk of developing glaucoma.
Scientists believe that people at high risk of developing glaucoma should be offered some kind of “sleep intervention” to make them healthier, and those who report sleep problems should have their vision checked immediately.
Studies show that glaucoma can affect sleep patterns, but not vice versa. However, scientists have found a relationship between sleep and glaucoma – a key factor in the development of glaucoma is internal eye pressure. It rises when a person lies down and also when sleep hormones fail, such as during insomnia. In addition, scientists suggest that anxiety and depression, which go hand in hand with insomnia, may also increase intraocular pressure.
In the same way, sleep apnea can cause direct damage to the optic nerve – snoring causes repetitive or prolonged episodes of low cellular oxygen levels.
Researchers believe that their results will help reduce the risk of developing glaucoma in people in the future, since sleep behavior is amenable to change, which means everything is not so hopeless.