When your iOS/iPadOS device goes to sleep, it will pause the mirroring and remove the mirrored image from AirServer. This is the default behaviour for these devices.
In some cases, you might want to prevent youriOS/iPadOS device from going to sleep. You can prevent the iOS/iPadOS device from going to sleep by following these steps:
- Go to Settings on your iOS/iPadOS device
- Select Display
- Change Auto-Lock to Never.