While evening blue light suppresses melatonin and delays sleep onset, morning exposure to this same wavelength has the opposite effect on your circadian rhythm. That bright, blue-rich light ...

But exposure to blue light during the day may have the opposite effect. It’s been used to treat seasonal affective disorder, or SAD. That’s a form of depression related to the changing of the ...

But perhaps more importantly, the natural light that occurs in the morning is shorter wavelengths of blue and green light which is beneficial for sleep but only in the morning. Blue and green lights ...

During the day, blue light plays a role in regulating circadian rhythms, helping us stay alert and focused. However, exposure to it in the evening can have a detrimental effect on sleep quality.

For instance, one study found that exposure to blue light had a positive effect on how your brain processes, alertness, and reaction times. For athletes, this may improve decision-making and help ...

Electronic screens, LED lights, and fluorescent lights can all contain blue light. Violet: Research from 2024 also found that violet light may have a similar effect as blue light. Green ...

Blue light has been shown to have a positive effect on hair growth, like red light therapy. In fact, one study done on patients with alopecia found that when used twice a week for ten consecutive ...

We’re all familiar with blue light from our phones ... stimulating red lights as well as infrared that has a rejuvenating effect on areas of the skin that need healing. There are anti-ageing ...