1, its a dream where you know you’re dreaming and can control events happening. 2, mostly you set your alarm 3-4 hours after you sleep then you be awake for 30min-2hrs(if you can sacrifice your sleep. You wake up cause at that time people experience REM(rapid eye movement) Then you sleep thinking about what you wanna see. And try to make sure you’re dreaming 3,it’s a really good treatment for people with reoccurring nightmares, people with extreme fright, and also recreational and artistic values But you may confuse reality with your dreams