“That is because this type of light mimics daylight, convincing the brain that it is still daytime,” Adams reports. “Blue light suppresses production of a brain chemical called melatonin, which helps us fall sleep. This is because our brains have evolved to be wakeful during daylight hours.”
Adams reports, “By contrast, light which is more orange or red in tone does not suppress melatonin production, perhaps because our brains recognise it as a cue that the day is ending.
Read more in the full article here.
MacDailyNews Take: Suggestion to Apple for iOS 6.1: Settings>Screen>Tint>color slider(indicate orange/red as “night” and blue/white as “day.”
[Thanks to MacDailyNews Reader “Fred Mertz” for the heads up.]