Gabe goes to bed at your regular time, and as he begins to drift slowly off to sleep, he jumps up suddenly as he feels you he is falling down the stairs. this is best explained by a sensation.

The correct answer would be, Hypnagogic Sensation. Gabe goes to bed at your regular time, and as he begins to drift slowly off to sleep, he jumps up suddenly as he feels you he is falling down the stairs. This is best explained by a Hypnagogic Sensation.

Explanation:

A Hypnagogic Sensation is a state that comes just before a person falls a sleep. Just before a person is about to sleep, a state may occur in which the person finds himself dragging or falling from somewhere and he suddenly jumps up to control himself. This state is called as the Hynogogic Sensation.

This is very common and almost every person has experienced this sensation many times in his life. I personally have experienced this state many times in my life.