14 Reasons You’re Tired All the Time
time.com
time.com
"[If you cannot resist checking your device before bed, then] hold it at least 14 inches away from your face to reduce the risk of sleep interference." This is utter hogwash, for two reasons:
1) Good luck reading a smartphone screen from a distance of 14 inches. This is an unrealistic suggestion.
2) The light intensity and your reception thereof is basically unchanged, which is all that is needed to hem melatonin production. Small amounts of light are enough to disrupt this mechanism. I would cite some good papers as evidence, but I currently cannot find them. I suggest to anyone interested to do research into the properties of melatonin --- it's pretty interesting, not to mention useful.
The only smartphone that can completely disable blue light are those with AMOLED screens; and only after being rooted:
https://play.google.com/store/apps/details?id=mobi.pruss.Gal...
http://www.health.com/health/gallery/0,,20818045,00.html?xid...
Link building is - in spite of panda - alive and well, just more subtle.
Maybe google should penalize Time or Health.com?
Oh, never mind, google is now in the spam and link building business for themselves (spam received on my gmail account, which is not exactly advertised as linked to ww.com):
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It adjusts the colors of your screen late at night.