Another way to determine whether you are awake or dreaming is touch. If you get into the habit of touching the wall next to you while you're awake and feeling the texture, and you say to yourself, This is reality or I am awake, then you can try to do that gesture when you think you're dreaming. If there's a mismatch between what you see and what you feel, you can say, This is a dream. And another way is when you see a pattern. Words are one example of a pattern; bricks, or the pattern of a carpet or wallpaper is another. If you think you're dreaming and you look away from a pattern and look back, and it's different, you can recognize that you're dreaming.