Complex sentence: She finds Krueger in her last few minutes of sleep and gets ahold of him when her alarm goes off; at first when she doesn't see him she thinks she's gone crazy, but Freddy appears suddenly.
Split into simpler sentences: She finds Krueger in her last few minutes of sleep and gets hold of him when her alarm goes off. When she doesn't see him at first, she thinks she's gone crazy, but Freddy appears suddenly.