text: should i go to my sports class even if i don''t feel well? i said that i would be there, but i am nauseous. probably not such a good idea. as a sports person myself i find that if i'm feeling unwell any kind of physical activity can aggrevate your symptoms.  plus at any gym there are health warnings on the machines that state "stop activity if you are feeling unwell". your best bet is to leave it until you are feeling better.