DS had been in remission is now flaring. It's been a few years since scopes, so he is having upper/lower endoscopy to see how inflamed he is. His appointment is at 3:00 in the afternoon. The colonoscopy prep directions the hospital sent are the generic "start at 8:00" directions. If his appointment is in the afternoon, can we start this later? He's 15. This will be his third set of scopes. We've always had AM appointments and never had any issues with not being fully cleaned out!