Recent research suggests that exposure to blue light before sleep can distort your natural (circadian) This rhythm and cause an inability to fall asleep .
The cause is the photoreceptor in your eyes, called Melanopsin . This receptor is sensitive to a narrow band of blue light between 460nm-480nm, this range can suppress the production of melatonin – a hormone responsible for your healthy sleep-wake cycles.
The application Twilight fit the screen of your device at the time of the day. It filters the blue spectrum on your smartphone or tablet after sunset and protect your eyes with a mild and pleasant red filter
High sensitivity of the human circadian rhythm of melatonin to reset by light of short wavelength.
Sensitivity of the human circadian pacemaker night light: Resetting and suppression of melatonin phase.
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Supported Android
Download Twilight 6.3Â APK For Android