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Cov lus piav qhia: Recent research suggests that blue light before bed can distort your natural (circadian) rhythm and prevent you from falling asleep.
The cause is the photoreceptor in your eyes called melanopsin. This receptor is sensitive to a narrow blue band of light in the range of 460-480 nm, which can suppress melatonin production - a hormone that is responsible for your healthy sleep-wake cycle.
Yuav tsum tau hauv Versions: Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0- 8.1]
