Couple of things, one, make sure hibernation or hybrid sleep are disabled. You can do this in the advanced power options section of control panel power options or as follows:
http://www.tenforums.com/tutorials/2859-hibernate-enable-disable-windows-10-a.html
Two, if you are on an upgrade installation and have not done a clean install of the OS, that is something you should seriously consider.
http://www.tomshardware.com/faq/id-2784691/ditch-problematic-win10-upgrade-replace-clean-install.html
Three, make sure you have a CLEAN install of the graphics card drivers, if you have a discreet graphics card installed.
http://www.tomshardware.com/faq/id-2767677/clean-graphics-driver-install-windows.html