Evidence from a small study found that blue light helped mice sleep better — but before we change the way we think about blue light’s effect on humans, studies need to be done on humans, at least one researcher says
Blue light is linked to many well-documented health risks, including sleep problems
The use of blue light-emitting smartphones, computers, tablets and e-readers before bedtime is linked to sleep disturbances
Whether future research shows blue light disturbs sleep or not, it’s best to avoid it and let your natural circadian rhythm work
