I've toured without CPAP twice for 2 nights each and had no problems, being exhausted from a day of summer ridding might have helped. We were CC touring and I had a nice comfy bed in cool air conditioning each night. I think it is an individual thing and something you may wish to consult your doctor about. My doc told me that I've been living without it for years so a couple of nights ins't going to hurt, note that I have borderline mild/moderate sleep apnea.