In theory, a LED light should last for ten years or so, unlike the typical 4W incandescent lamps used in night lights that seem to burn out in only a few months. But as engineer and founder of the ...

The ANSES report says that even limited exposure to blue light at night can disturb the circadian rhythm and impact sleep.

Before LED lights were introduced ... Some vehicles even have a night setting in their rear-view mirror. Drivers who have a lever under their mirror can pull it toward them to activate it.

A light source that is created by a light emitting diode (LED). For decades, LEDs have been used as indicator lights on myriad products; however, starting in the 2000s, they began to replace ...