Android typically forces low-priority apps to sleep so that they don't drain your phone's battery. Putting apps to sleep means they won't consume a lot of power and won't run in the background ...
Smartphones have come a long way in the level of convenience they have to offer. You have several instant messaging apps like WhatsApp and Facebook Messenger that let you connect with your loved ones ...
Android phones, even the strongest ones, suffer from battery drain before the end of the day, especially with intensive usage which includes streaming music and video over 5G networks.