Blue Light Emitting
All our computer, mobile, television devices emit blue light, which really have a negative impact on our sleep.
Some mobiles do have the blue light filtering & Windows 10 has an inbuilt functionality to use warmer colors to prevent this issue.
How to Set Your Display for Night Time in Windows 10
Your display emits blue light—the kind of light you see during the day—which can keep you up at night.
To help you get to sleep, turn on the night light and your display will show warmer colors at night that are easier on your eyes.
Night light isn’t available if your device uses certain drivers (Display Link or Basic Display).
To schedule night light so it turns on automatically:
Select Start Windows logo Start button > Settings Gear-shaped Settings icon > System > Display > Night light settings.
If your night light toggle above the link is grayed out, you may need to update your display driver. See Update drivers in Windows 10
Under Schedule, toggle Schedule night light to on.
Then, either select Sunset to sunrise, or select Set hours and enter custom times for the night light to turn on and off.
Is it better to have blue light on or off?
The Blue light filter decreases the amount of blue light displayed on the screen of the device.
Blue light can suppress the production of melatonin (sleep-inducing hormone), so filtering it out can help you sleep better.
It will also reduce digital eye strain, so your eyes won’t feel so tired by the end of the day.
Is blue light from screens harmful?
The short answer to this common question is no.
The amount of blue light from electronic devices, including smartphones, tablets, LCD TVs, and laptop computers, is not harmful to the retina or any other part of the eye
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