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[6] [4] Light seems to have therapeutic antidepressant effects when an organism is exposed to it at appropriate times during the circadian rhythm, regulating the sleep-wake cycle. [ 6 ] [ 4 ] In addition to mood, learning and memory become impaired when the circadian system shifts due to light stimuli, [ 6 ] [ 20 ] which can be seen in studies ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Field studies have also shown that in office settings, blue-enriched lighting over the course of several weeks can lead to improved alertness, performance, and sleep quality in comparison to lighting with a lower color temperature. [2] A 2022 psychology study in China found that artificial lighting changes a person's perception of visual objects.
The science is new with only a few small studies behind it, but that hasn’t stopped thousands of people from listening to hours of these noises on YouTube and on meditation apps that provide a ...
To manage sleepwalking, start with making sleep hygiene tweaks — optimize your bedroom temperature, eliminate ambient light with a sleep mask or blackout curtains and avoiding technology close ...
Blue light has a significant impact on numerous physiological processes in human health. [3] The widespread use of blue light in modern technology brings up a concern about the potential consequences of excessive blue light exposure. [4] Such exposure has been associated with disruptions in ocular health, sleep patterns, and well-being. [4] [5]
Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, neonatal jaundice, and skin wound infections.
Yawning is commonly associated with imminent sleep, but it seems to be a measure to maintain arousal when sleepy and so it actually prevents sleep rather than inducing it. [8] Yawning may be a cue that the body is tired and ready for sleep, but deliberate attempts to yawn may have the opposite effect of sleep induction.