How to troubleshoot sleep issues on macOS

I have long since stopped turning off any devices manually. Computers and consoles go to sleep, and the TV turns off by itself. But sometimes there may be problems with this process, and the computer will not be able to go to sleep mode or will only pretend to be asleep. How can you understand what the Mac is doing in sleep mode? To do this, you can use the Sleep Aid application, which automatically monitors the computer's transition to sleep mo…