It is clinically proven that you should stow away your phone 30 minutes before you sleep, this will help you sleep fast and without feeling eye strains from the light emitted by your device.
Samsung has the Do Not Disturb feature, your Android 10 comes with the Focus feature that promotes "Me Time". While in me time, all your apps will be closed except for your Call App and SMS, so you should be able to hear your device either vibrate or flicker the screen on for call or notification.
As you dose off to sleep, let your phone cool down and recalibrate its performance for a big day coming up at dawn.
