| [00:00.56] | Doctor, I haven't been able to get enough sleep lately, and I'm too tired to concentrate in class. |
| [00:06.70] | Well, you know, spending too much time indoors with all that artificial lighting can do that to you. |
| [00:12.45] | Your body loses its track of whether it is day or night. |
| [00:16.61] | What does the man imply? |
| [00:16.62] | A) The woman is making too big a fuss about her condition. |
| [00:16.63] | B) Fatigue is a typical symptom of lack of exercise. |
| [00:16.64] | C) The woman should spend more time outdoors. |
| [00:16.65] | D) People tend to work longer hours with artificial lighting. |
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