I have a 3 month old HP PC loaded with 24gb ram and the latest Intel Processor. Using Windows 10 Professional. About a week ago I wanted to try a new Theme so I downloaded one from Windows Themes. I made a couple changes such as changed the time the picture changes from the default 10 minutes to 1 minute. After making the changes I just clicked to close it. The next day I noticed, when putting the computer to sleep, it awoke on it's own in about 15 seconds. It kept on and on doing this. I spent, probably about 3 hours with HP Chat and remote control and they didn't find the problem. I discovered the problem by accident (and fooling around with the Themes) and I'd bet there's others that may experience the same problem. Once you make changes to the default Theme download, you must save it as something, give it a name and click save. That's all I did and the problem is fixed for 3 days now. Just wanted to try to help someone who is as stumped as I was.
Jerry
Jerry