lets take look How to enable andconfigure Windows 10 Night Lightfeature.

For more advanced control, clickNight Light options, right under theNightlightswitch.

Nightlight displays warmer colors to help you sleep.

Play a bit with this slider and see whats the color temperature that feels best to you at night.

In the same Nightlight settingswindow, right after theColor temperature at nightslider, you see a section calledSchedule.

If you turned theNightlight On, theSchedule Night lightswitch will beOnand set to be applied betweenSunset to sunrise.

The exact time of sunset and sunrise is automatically calculated by Windows 10 depending on your location.

Also, smack the Set hours radio button.

Activating the Windows 10 Night Light feature could improve your ability to sleep when the work is done.

Here some solutions you may apply.

Press Windows + R, typeregeditand ok to kick off the windows registry editor.

Next, delete the sub-folder labeled$$windows.data.bluelightreduction.settingslocated just below the previous one.