Having a fully-grown stallion teleport on top of you while one is half-asleep is never a good way to wake up. Nevertheless, that is what happened.
After being unconscious for a day and a half, he's waking up. Princess Celestia hopes that he can explain why he abruptly arrived with a saddlebag full of mysterious canned food, overly large needles, and illegal weapons.
And, hopefully, he won't wake up and reveal himself to be a mutant homicidal maniac. But that would never happen in the magical land of Equestria.
Rewrite!