Since there was nothing to do but think, she slept after being returned to the office. Thinking too much was dangerous. If she took a wrong turn, at any moment any innocent thought might give way to a memory of a life she once had, or someone she'd once known, when she was free. It was never pleasant, especially after the news she'd received earlier, so she was eager to keep away from it, and if sleep was the only option then she would do it without complaint.