Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

This red light isn’t for romantic ambience. Charles University researcher Martin Orságh says the color lets him control a reaction called radical RAFT (reversible addition–fragmentation chain transfer ...

Red light therapy has been found to be helpful for skin health, wound healing, hair growth among people with alopecia and pain management. Some have claimed it’s also useful for sleep, but research ...