Much the same pattern for me. I was physically and emotionally low going into first AC so I don't think it helped. Crashed and burned on the evening of Day 2 (Friday). Couldn't lay down because I felt so sick. Couldn't sit up because it felt like my bones wouldn't support me. Maxalon did nothing - might as well have been taking Smarties. I did ring the hospital on the Sunday and ask if I could take more Maxalon and was told that I could. What I should have asked for was a script for something stronger but I didn't think I could do that it being the weekend. I now know better. Got something better anti-nausea drugs and reflux drugs on the afternoon of Day 5 and spent most of the next 36 hours sleeping. Felt alive again by Day 10. I then commenced walking 5 km every day in the hope that improved fitness would help me tolerate the chemo better.
I've since had the second AC and, with the better anti-nausea drugs have been able to cope far better. Day 4 & 5 still not brilliant as everyone says but by Day 6 I was walking again and by Day 7 felt almost normal. Normal, of course, being a relative term.