Every now and then it makes sense to restart the Samsung device, so that apps are closed in the background and part of the cache is cleared. The Samsung device can be restarted either via the status bar or with the key combination On/Off and Quiet key.

Android 10 (One UI 2.0)
Step 1:  Open the  notification bar
Step 2:  Tap on  Power-Icon
Step 3:  Tap on  Restart
Step 4:  Tap again to  restart  your phone
  1. Open the notification bar
  2. Tap on Power-Icon
  3. Tap on Restart
  4. Tap again to restart your phone

Samsung Instructions