Blue Light And Sleep
canada goose coats The light coming from screens, like the one on your smartphone, is known as blue light, and it can canada goose outlet england interfere with sleep. So some people canada goose outlet belgium use apps to filter out some of that blue light. NPR’s Jon Hamilton had some questions, so he rang up some scientists. canada goose coats
buy canada goose jacket JON HAMILTON, BYLINE: The first person I called is Lisa Ostrin at the University of Houston College of Optometry. She studies the effects of blue light on sleep. She also owns an iPhone. And every iPhone comes with an app called Night Shift that lets you filter out canada goose outlet toronto address blue light. So I asked Ostrin, do you use it? buy canada goose jacket
canada goose deals OSTRIN: Normally, when the sun goes down and the lights turn off, our body releases melatonin, which helps us get a nice restful sleep. But when we have all this artificial canada goose outlet jackets light on, it’s tricking those photoreceptors into thinking canada goose outlet woodbury it’s still daytime. canada goose deals
canada goose clearance HAMILTON: Ostrin’s own research has shown that it’s possible to prevent this. She canada goose victoria parka outlet had 21 people put on special glasses after sunset each day to filter canada goose outlet store uk out blue light. canada goose clearance
canada goose store OSTRIN: So, essentially, we blocked the input to those receptors that tell our body it’s still daytime. canada goose store
buy canada goose jacket cheap HAMILTON: And it made a difference. buy canada goose jacket cheap
cheap Canada Goose OSTRIN: What we found was a dramatic increase in their nighttime melatonin levels after two weeks of canada goose discount uk wearing these glasses. cheap Canada Goose
Canada Goose Outlet HAMILTON: Participants also reported better sleep. canada goose outlet new york To get another perspective, I called Brian canada goose premium outlet Zoltowski at Southern Methodist University in Dallas. Like Ostrin, he studies canada goose jacket outlet uk blue light and sleep, and he owns an iPhone. Canada Goose Outlet
Canada Goose sale BRIAN ZOLTOWSKI: I am talking to you on an iPhone right now. And I actually am not a Night Shift user currently. Canada Goose sale
canada goose black friday sale HAMILTON: canada goose factory outlet vancouver Zoltowski canada goose outlet sale says he did use the filtering app. He also took steps to reduce the blue canada goose outlet light coming from other screens during the evening. And he says that made every image look kind of orange. canada goose black friday sale
Canada Goose online ZOLTOWSKI: So I’m looking http://www.canadagoosejacketoutlett.com at an orange screen watching a video, realizing also drinking a cup of coffee. And canada goose outlet mississauga it started to make me wonder then why I’m actually trying canada goose outlet los angeles to, you know, decrease the amount of blue light when the caffeine that I’m drinking my cup of coffee is probably having a larger effect on my sleep quality. Canada Goose online
Canada Goose Jackets HAMILTON: Also, he really didn’t like all those orange screens. Canada Goose Jackets
Canada Goose Parka ZOLTOWSKI: I’m willing to take the blue light exposure for the improved quality of the images. Canada Goose Parka
canada goose HAMILTON: Zoltowski adds that devices are just one source of blue light. Others include indoor lighting and street canada goose outlet edmonton lights. So he says a filtering app may not be worth it, especially if you’re already getting a good night’s sleep. canada goose
canada goose coats on sale ZOLTOWSKI: But if you suffer from sleep problems and you’ve tried canada goose outlet store montreal other things like eliminating caffeine later in the day, this is something that you can add to your kind of repertoire of making sure that you’re doing everything you can to promote a healthful sleeping environment. canada goose coats on sale
canada goose clearance sale HAMILTON: Zoltowski says you might also just give up screens entirely around bedtime. At least one study found that people got more sleep when they switched from electronic readers to canada goose coats uk printed books. canada goose outlet black friday Jon Hamilton, NPR News canada goose clearance sale.