A new study highlights how controlled exposure to natural light before waking can improve morning alertness and reduce sleepiness.

A strip of LEDs may be a simple and flexible way to add light to a project, but they don’t always look natural ... strips that are mounted behind the screen, he creates something that looks ...

In search of a conclusive remedy, common sleep studies use artificial light that is easy to control. Osaka Metropolitan University researchers, however, believe natural light could be more ...