提示：A1ice对医生说自己感到身体不适。今天早上起得很早做功课，摔在地板上。在那之前，曾感到紧张，并有时眼睛疼。医生说不要担心，但要Alice一定要有足够的睡眠。
Doctor: Hi, Alice, what seems to be the problem?
Alice: Well,{{U}} (51) {{/U}}at the moment. I'm preparing for exams and I've been staying up late at night studying. This morning{{U}} (52) {{/U}}, and I fell onto the floor.
Doctor: Had you had any signs?
Alice: rd been pretty nervous{{U}} (53) {{/U}}.
Doctor: Well, it sounds as if you've probably been overdoing your study and you're too tired.{{U}} (54) {{/U}}, but I think you should take it easy for a while and. try{{U}} (55) {{/U}}.
Alice: Yes. I haven't been getting much sleep lately.