 Or jump up in the air? Do you drop back down to the ground? Or can you suddenly fly? Alice says if you're a beginner, you want to do these reality tests many times a day. And the thinking is that if you get in the habit of doing these in your waking life, your brain will have you do them in a dream too. And that'll cue you in like, oh, this is a dream. After that, you know, there are things you can do to prolong the dream and gain higher and higher degrees of control.