It's 11AM here now, and according to the event log, my PC woke up three times before the time I woke it up manually - 2AM, 4AM, and 7:30AM. Wake source "unknown" every time.

Scheduled tasks...

I've tried everything here.
All my keyboard/mouse devices have "Allow this device to wake the computer" unchecked.
Wake timers are disabled.
Automatic Maintenance is disabled.

Despite all this,...

The only ones I really use are Facebook and Mail, but both of them end up usually getting stuck updating, so I say "to heck with it" and open a browser, 10x faster...

I had this same problem in Windows 8.1 and was really hoping they'd get it worked out by now.

Any Metro app- windows store, mail, netflix, anything- takes ages to open or do anything that accesses...