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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.
In addition, alcohol causes fragmented sleep and suppresses REM sleep, which plays a role in helping your brain process and consolidate new information and helps ensure better mental concentration ...
It emits more blue light than traditional incandescent bulbs, potentially impacting the quality of sleep and eye health if used excessively at night. [2] [8] A person using a smartphone at night. Blue light is emitted by digital screens such as computers, tablets, smartphones, and televisions, which can lead to extended exposure in modern lives ...
Despite our best efforts to avoid electronic screens before bed (research shows that the blue light these screens emit can disrupt the brain’s natural release of sleep-inducing melatonin ...
Exposure to blue light at night can suppress the body's natural production of melatonin, making it difficult to sleep. ... This is a specialized pigment protein that absorbs blue light and causes ...
A rare genetic condition can cause a prion-based, permanent and eventually fatal form of insomnia called fatal familial insomnia [66] Physical exercise: exercise-induced insomnia is common in athletes in the form of prolonged sleep onset latency [67] Increased exposure to the blue light from artificial sources, such as phones or computers [68]
Irregular sleep schedules can cause negative impacts on learning, memory, and performance. The dual process theory determines that certain types of memory depend on specific sleep states, like REM and NREM (Non-Rem) states. REM sleep deprivation can reduce sleep-induced improvement such as visual perception, thus influencing how one learns.
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