In this chapter, we learn that Dr. Manette's health has taken a turn for the worse, and that he's been unable to sleep well the last few days. He's also been taking a lot of classes, and doesn't seem to be able to concentrate. He also seems to be in a bad mood, and we learn from him that he has a headache and a sore throat. We learn that this is the first time we've seen him in a long time, and it's clear that he hasn't had a good night's sleep in a while. We also learn that the doctor has been sleeping on the couch all night,