She woke up once to a deeply troubling sound that she identified, after a few moments, as the howling of wolves, or perhaps coyotes. Then she was stuck awake for a long time. She ate another MRE, supposing that a full stomach might do her some good. This did not seem to help especially. She was paying, now, for the ease with which she had slipped into sleep earlier. After a while, she gave up any hope of sleeping again and just tried to make herself comfortable. But from the fact that she ended up dreaming later, it followed that she must have drifted away in spite of herself.