In of the menus( I cant remeber which one it is ,either options or kontent or mybe some other one)where the clouds are at the top of the screen, you can see some words passing by, such as,decption,orderrealm,netherrealm...
One of the words is stryker and consider the fact that is appearing in the clouds.I dont know what is meant by"sleeping" or "zz" but I will keep trying.
I am sure you can find some clues where the word passes by.