Clear your mind as in remove all thoughts and scenarios in your mind. Don't think about things in daily life. The only thing that should be in your mind is the will and desire to have a WILD. You shouldn't be thinking about it actively. Just close your eyes and think about it for a few moments, plant the seed. Then try to clear your mind and relax your body and try to stay conscious, but not by thinking of things. It's hard to explain, but just intermittently remind yourself of your intention and lie in silent expectation of entering an LD.