[flyingfences]

Screen exposure before bedtime can also drastically affect sleep. Different color temperature and intensity and all, but on top of that is also the barrage of information that the screens deliver, which keeps our minds on alert. I find that I'm sleeping much better now that I turn off all screens at least half an hour before I start getting ready to go to sleep.

[garyfirestorm]

One could argue that if you were solving a complex problem that particular day, and it bothered you enough, you would still be thinking about it before going to bed. Wouldn't that keep your mind alert. As far as light intensity and color goes, many Asian countries have daylight florescent tube lights in their homes just like the ones in offices in US. But no one's complaining about drastic sleep deprivation in Asian countries with bright lights emitting all sorts of spectra

[Apocryphon]

Yes, but by pumping oneself with information is to artificially induce complex problems. It's artificially inducing strain. Why excuse self-inflicted stress by saying that such stress occurs naturally as well?

Sleep deprivation is a major problem in Asian countries, but for different reasons:

https://www.cnbc.com/2014/08/21/singaporeans-among-most-slee...

http://www.atimes.com/article/hidden-costs-asias-walking-dea...