Taking something to occupy the time is a good idea, whatever you most enjoy. It can be a bit slow especially on a busy day. You may feel sick but then again, you may not. I never felt sick through six months of chemo. My neighbour couldn’t make it home without nausea. It varies a lot. You’ll be given anti nausea meds with the chemo and also meds to take at home if you need them. I gave them up entirely after four treatments, but they can be immensely helpful if nausea is a problem. You will work out after a couple of weeks how your own cycle of side effects works - many people experience fatigue, usually in the middle of the cycle but it’s not invariable. Once you know your own reactions, it’s much easier to plan for good days and not so good days. Most day oncology centres offer snacks and tea/coffee. Best wishes.