Tint your phone display red after dark. Smartphone blue light drops melatonin and raises c

Well SupportedSwitching a phone to a 'red only' mode via an accessibility shortcut eliminates blue light and is a zero-cost method to improve sleep hygiene.

Well SupportedStaring at blue light from phones suppresses melatonin and spikes cortisol, making it harder to fall asleep and reducing sleep quality.

Well SupportedUsing a 'night shift' mode on iPhones, which reduces blue light emission, is recommended to mitigate sleep disruption.

Well SupportedActivating Red Light Mode on iPhones by triple-clicking the side button provides full removal of blue light.

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