I’m not entirely sure how @Tim.Gangl verified that Avast was putting MySQL to sleep.
One thing you can try is temporarily disabling any antivirus software you have installed and see if that helps with this. You might also be able to open up the settings for your antivirus and see if it is blocking things that Local needs, for example MySQL.
Can you also please provide your Local Log so we can see if there’s more info contained within it? See this Community Forum post for instructions on how to do so: