A Wild 'Bedtime Mode' for GNOME Desktop Appears - OMG! Linux
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Modern versions of Android come with a 'bedtime mode' that, when configured, will turn the screen greyscale at night. By reducing color stimuli on the

Modern versions of Android come with a ‘bedtime mode‘ that, when configured, will turn the screen greyscale at night.This new GNOME Shell extension brings that greyscale mode to the GNOME desktop ( even for 3.36 and above )