Stair Collapse Syndrome

(Also known as SCS) A syndrome in which you're about to fall asleep, but you have a dream where you fall from a significant height, causing you to awaken panicked.

Person 1: I keep having dreams where I think I'm falling from the stairs.
Person 2: You mean falling down the stairs?
Person 1: No, falling from the stairs. They collapse, and then I'm sent falling, which causes me to jerk awake.
Person 2: You might have Stair Collapse Syndrome.
Person 1: I already have sleep paralysis, I'm good.