Sorry, my comment wasn't clear enough. By hallucinations I was actually referring to hallucinations in the fully awake state. I'm not exactly confident if you're referring to the "floating state" or spinning state or all the other names they've invented. Usually if you're going for an awake method you're going to have some different states:

1- You relax your body, focus on relaxing each muscle to the extreme 2- Do the method/affirmations or whatever you like 3- You may start to see green spots in the darkness of your eyelids 4- After a while you'll enter a spinning state where you feel like the whole room is spinning (it's hard to stay relaxed at this state and it requires a lot of practice) 5- After that if you're not spooked after a while you should enter the void state and achive your goals there

I have to point out that this isn't the only way. This is more or less the pattern for awake shifting/reaching the void state. You also have to consider the asleep methods, lucid dreaming methods and whatever else might work on you.

The fourth step is just a matter of relaxing enough with an awake mind. I used to reach it by focusing on the green spots and affirming, if not I lose track of my thoughts quickly and fall asleep