The cause is the photoreceptor in your eyes, called Melanopsin. This receiver is sensitive to a narrow band of blue light between 460 and 480 nm. This range can suppress the production of melatonin – a hormone responsible for your healthy sleep-wake cycle.
The Twilight app is suitable for your device screen at the time of day. It filters the blue spectrum on your smartphone or tablet after sunset and protects your eyes with a soft and pleasant red filter. The filter and intensity are smoothly adjusted to the solar cycle for sunset and sunrise from local time.
The impact of sleep time and exposure to bright light can lead to a deficit of attention during night work. Nayantara Santhi, Daniel Aeschbach and Todd S. Horowitz, Charles A. Czeisler 2008
Technical Information:
Minimum Android Version Required:
Free Direct 📥 Free Direct Download for Android:
:
Twilight-Pro-v9.4_build_310.apk
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