The Long Last Night of the Late Phil Saunderson

Phil's wife has transferred her consciousness into a new body, and what's more, has talked him into doing the same. But Phil wakes up in the middle of the operation to find that the part of his mind that has transferred has beaten him to his own identity. Worse yet, his brain is now damaged: if he falls asleep, he won't wake up On the wrong side of the law, his doctors, his wife, and himself, he escapes, along with a lab monkey, in a desperate and sleepless search for a way back to his own life.