Sleep / light exposure
light exposure
Evidence for sleep, scored from the published research.
sleep quality
possible risk46/100 Evidence ScoreConfidence: low3 studies
A possible adverse effect has been reported.
- 1 human study (participant counts not recorded)
- Studies disagree with each other
- Still unknown: few longer-duration studies
References (3)
- Systematic review of light exposure impact on human circadian rhythm.systematic review · Chronobiology international · 2019
- Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness.other study · Proceedings of the National Academy of Sciences of the United States of America · 2015
- The effect of reducing blue light from smartphone screen on subjective quality of sleep among students.other study · Chronobiology international · 2023
Evidence Scores are computed mechanically from the published research (PubMed / Semantic Scholar / OpenAlex): study design, participant numbers, and consistency across studies. An LLM is used only to extract study data, never to decide a score.
This is research-based information, not medical advice, and not a diagnosis. Consult a qualified professional about your own situation.