She came to snap out her thoughts for the moment as she looked towards Derek for the moment. She wasn't really used to this side of him. Which was best described as caring. Sure he had those tendencies rarely, but she'd never had it in her direction. So it caught her off a bit. When he said he came to watch over her while she slept, she sighed deeply.
"I'm not tired." She said softly. Of course, she was lying, she was always tired. But she knew what the outcome was going to be. She would fall asleep and five or ten minutes later she would toss and turn and followed by however long later she would be screaming herself awake.
"I can rest my eyes here on the couch if it'll make you feel better..." She said as she came to watch him since she wasn't going to go into her bedroom while Derek was out here. It was already a bit weird and that would just be even weirder for her.