Scientists think nighttime exposure to blue light throws off your circadian rhythm, or sleep/wake cycle. This could lead to symptoms of depression. That’s because your circadian rhythm plays a role in several brain and behavioral processes, like neurotransmission and hormone secretion.
What are the side effects of too much blue light?
Blue light from electronics is linked to problems like blurry vision, eyestrain, dry eye, macular degeneration, and cataracts. Some people have sleep issues. Here’s what you need to know.
Does blue light affect mood?
Blue light also affects the body’s release of melatonin—a hormone that regulates the sleep cycle. Thus, it can lead to difficulty falling asleep, which may increase the risk of mood disorders such as depression and anxiety.
Does blue light affect serotonin?
Exposure to blue light wavelengths (peaking at a 460 nm) stimulates the body’s production of serotonin and dopamine. Serotonin is a neurotransmitter that affects mood, appetite, sleep, temperature regulation, and some social behavior.
Does blue light increase stress?
The results showed that after one hour of exposure to bright light or blue light the stress hormones increase in contrast to dim light and red light conditions. Thus, stress hormones can be altered by the types of light people are exposed to.
What does blue light do to your brain?
Light from electronic screens comes in all colors, but the blues are the worst. Blue light fools the brain into thinking it’s daytime. When that happens, the body stops releasing a sleep hormone called melatonin. Melatonin is nature’s way of helping us wind down and prepare for bed.
Can too much blue light cause anxiety?
Another study showed just 2 hours of blue light exposure in the evening can impact the release of melatonin. Trouble sleeping is one of the most common symptoms of mood disorders like depression and anxiety. Your risk for a mood disorder is higher anytime you’re not getting enough sleep.
Does blue light make you calm?
Blue lighting is scientifically proven to help us relax faster than white lighting after an argument. Summary: Researchers say that blue light accelerates the relaxation process after acute psychosocial stress such as arguing with a friend or when someone pressures you to quickly finish some task.