Based on the context and the answer, generate a question. 

Context: I wake up , start thinking about going to the gym , and next thing I know I ' m getting picture flashbacks of the dream I just had , where I was doing leg - presses and riding an exercise bike . Not even anything bad happened like a weight falling on my leg or something ... just a plain old snoozer workout dream . Oh !

Answer:

They may not have remembered their dream .



What may have happened if they did n't go to the gym ?