The graph of Shawn Powers' sleep patterns looks a lot like mine did, until I realized that I probably entrain to artificial light [see Shawn's "SIeep as Android" article in the Upfront section of the July 2013 issuel. In other words, my brain misinterprets artificial lightas sunlight, so it doesn't think it's nighttime even after the sun has set, and so it doesn't prepare my body's physiology for sleep. Those changes take a while (an hour or two), so when I turned out the lights, I tossed and turned for an hour or two until my body adjusted to the darkness. As it turns out, this is all due to the presence of retinal neurons that function to detect a narrow range of blue light (sky blue, in fact). Their job is to inform the brain when they no longer detect that light (that is, when night has fallen). However, in some individuals, these cells see enough blue light in the artificial light spectrum to fool them into thinking the sun is still up (computer screens and TVs emit a /ot of light in this blue range). I'm not sure why this happens in some individuals and not others, but I wonder if it might have to do with eye color (I have blue eyes). In any event, it's easy to use glasses to filter out this narrow range of blue light, thereby plunging the relevant retinal neurons into "darkness". Individuals with this problem would don the glasses for I-2 hours before they wish to retire; after a couple hours, sleep then (in my experience) comes easily and naturally, and much less fitfully.
WWW.L|NUXJOURNAL.COM I bought a pair of these glasses from http://www.|owbIueIights.com, and my sleep patterns have improved enormously. The effects have lasted long enough (about a year) to rule out any significant placebo effect. You might want to give them a try (I have no association whatsoever with this company, except as a satisfied customer). -Chris Brandon Whoa, that's fascinating. /have b/uish-grey eyes as we//_ (Again, this might be anecdota/, but it's still interesting.) /'// have to try that out. Thanks for the info!-Shawn Powers
WWW.L|NUXJOURNAL.COM I bought a pair of these glasses from http://www.|owbIueIights.com, and my sleep patterns have improved enormously. The effects have lasted long enough (about a year) to rule out any significant placebo effect. You might want to give them a try (I have no association whatsoever with this company, except as a satisfied customer). -Chris Brandon Whoa, that's fascinating. /have b/uish-grey eyes as we//_ (Again, this might be anecdota/, but it's still interesting.) /'// have to try that out. Thanks for the info!-Shawn Powers
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