The ability to prevent a mobile device’s display from automatically turning off after a period of inactivity is a customizable feature present in the Android operating system. Adjusting this setting allows users to keep the screen active for extended durations, overriding the default sleep timer. As an example, one might wish to keep the screen illuminated while following a recipe or navigating using GPS.
Maintaining an active display can be beneficial in scenarios requiring constant visual access, enhancing productivity or convenience. Historically, shorter screen timeout settings were implemented to conserve battery power, but evolving battery technology and user preferences have led to increased flexibility in managing this function.