No, the app is not doing any activities in the background. You can even close the app and it will reappear on wakeup time. Of course the wakeup by light in the morning will consume some battery. We recommend to plug in the charging cable overnight so you can leave the house with a fully charged device.
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Device Settings / Apps / Manage apps / Gentle Wakeup (or Settings, Installed apps or App Management) Enable Autostart Device Settings / […]
No. You can even close the app and it will reappear on wakeup time.
Be sure your room is really dark at night and in the morning. Best is to have opaque curtains, then even the […]
System settings / Smart Assistent / DuraSpeed Find Gentle Wakeup in the list and enable it. Application Basic Service / App Manager […]