Article "How to get out of a falling elevator":
As soon as you feel that the elevator is falling, immediately lie on your back on the floor of the elevator. In this position, the impact force will be evenly distributed throughout the area of your body.

XXX: What if it is sick?
YYY: If you stay alive because you lie on the floor, there will be a chance to wash. And if you die, you will also die in sleep. Better to lie down.