Recent studies have shown that the blue light emissions from displays and screens. (see the article from Harvard Universaty link below)
Basically, the blue emissions affect chemicals in the brain which stop you from sleeping. This means that we have to have about 2 or 3 hours of blue light free time before going to bed. However that is a disaster for our new gadget way of life. Not being able to use our phone, tablet, computer NO..NO IMPOSSIBLE....SO, if you are having trouble sleeping.......PUT THAT PHONE DOWN!.....
Relax, there is an answer, f.lux (www.justgetflux.com) is a piece pf software which removes the blue component from your computer on a schedule set by you.
