Perhaps this: https://docs.microsoft.com/en-us/windows-hardware/design/device-experiences/modern-standby https://docs.microsoft.com/en-us/windows-hardware/desig

Perhaps this: https://docs.microsoft.com/en-us/windows-hardware/design/device-experiences/modern-standby https://docs.microsoft.com/en-us/windows-hardware/design/dev... > On occasion, the system stays in the active mode (with the screen off) for a longer interval of time. These longer active intervals occur for a variety of reasons, for example, processing incoming email or downloading critical Windows updates.