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  2. Blue light spectrum - Wikipedia

    en.wikipedia.org/wiki/Blue_light_spectrum

    Prolonged exposure to blue light poses hazards to the well-being of the eye and may cause symptoms like dry eyes, weariness, and blurred vision. As our dependence on digital devices and artificial lighting increases, the complex pathways of the blue light spectrum that affect biological processes is crucial to understand.

  3. Insomnia: causes, symptoms, treatments and how it affects you

    www.aol.com/lifestyle/insomnia-causes-symptoms...

    While sleepiness might be the most obvious outcome, insomnia can cause both short- and long-term health issues. Initially, people with insomnia experience fatigue, low energy, difficulty ...

  4. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    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.

  5. Insomnia - Wikipedia

    en.wikipedia.org/wiki/Insomnia

    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]

  6. This Common Sleep Condition Could Increase Your Risk for ...

    www.aol.com/lifestyle/common-sleep-condition...

    The link between insomnia symptoms and stroke was stronger in participants under 50 years old who experienced five to eight symptoms, having nearly four times the risk of stroke compared to people ...

  7. Shift work sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Shift_work_sleep_disorder

    Wearing dark goggles [46] (avoiding bright light) or blue-blocking goggles during the morning commute home from work can improve circadian adaptation. For workers who want to use bright light therapy, appropriate fixtures of the type used to treat winter depression are readily available [ 47 ] but patients need to be educated regarding their ...

  8. This Nighttime Habit Could Be A Key Indicator Of Dementia ...

    www.aol.com/nighttime-habit-could-key-indicator...

    This could also cause a “marked lack of enthusiasm for daily tasks,” Porter says, adding that these symptoms “go beyond” normal fatigue. ... Keep your room cool and free of sound and light ...

  9. Delayed sleep phase disorder - Wikipedia

    en.wikipedia.org/wiki/Delayed_sleep_phase_disorder

    The photopigment of the retinal photosensitive ganglion cells, melanopsin, is excited by light mainly in the blue portion of the visible spectrum (absorption peaks at ~480 nanometers). [39] [40] A formerly popular treatment, phase delay chronotherapy, is intended to reset the circadian clock by manipulating bedtimes. It consists of going to bed ...

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