But one of the biggest downsides of using LED lights in a bedroom is that ‘LED lights emit blue light, which has been found to cause eye-strains, headaches and affect sleeping,’ Sam advises.

A 2016 study suggests certain LED colors may cause headaches due to their effect on the retina and light-sensitive nerve cells in the brain. Blue light is usually the most painful light for people.

The blue LED can also trace its history back to the 1970s. These were initially developed by RCA with a view to making a slimline TV, and although a blue LED was developed, it wasn't bright enough ...

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has ...