What are the benefits of a blue light bulb?
“Researchers at the University of Greenwich found in a two-month study that the workers they put under ‘blue-enriched lightbulbs’ reported feeling ‘happier, more alert, and had less eye strain. Other benefits of blue light include lowering melatonin, which is created in our glands and basically puts us to sleep.
Is blue light from bulb harmful?
Blue light exposure may increase the risk of macular degeneration. The fact that blue light penetrates all the way to the retina (the inner lining of the back of the eye) is important, because laboratory studies have shown that too much exposure to blue light can damage light-sensitive cells in the retina.
Is blue bulb good for eyes?
A 2012 Spanish study found that LED radiation can cause irreversible damage to the retina. A 2019 report from the French Agency for Food, Environmental and Occupational Health and Safety (ANSES) warned of the “phototoxic effects” of blue light exposure, including an increased risk for age-related macular degeneration.
Does a blue light bulb help you sleep?
Light therapy, and blue light in particular7, can help realign the body’s circadian rhythms and improve sleep. Blue light suppresses the body’s release of melatonin8, a hormone that makes us feel drowsy. While this may be helpful during the day, it becomes unhelpful at night when we’re trying to sleep.
Why is blue light bad for sleep?
Exposure to all colors of light helps control your natural sleep-and-wake cycle, or circadian rhythm. More so than any other color, blue light messes with your body’s ability to prepare for sleep because it blocks a hormone called melatonin that makes you sleepy.
Why is Bluelight bad?
Continued exposure to blue light over time could damage retinal cells and cause vision problems such as age-related macular degeneration. It can also contribute to cataracts, eye cancer and growths on the clear covering over the white part of the eye.
Which light bulbs are easiest on the eyes?
Luckily, “warm light” CFLs (Compact Fluorescent Lights) are okay for your eyes, as well as being much more efficient. They do emit UV rays, but a much smaller amount. You can also use LED bulbs or halogens.
How long before bed should I avoid blue light?
Protect yourself from blue light at night Avoid looking at bright screens beginning two to three hours before bed. If you work a night shift or use a lot of electronic devices at night, consider wearing blue-blocking glasses or installing an app that filters the blue/green wavelength at night.