I'm going to be a bit contrarian and say that drinking that awful liquid the evening before the procedure is 100x worse than not doing it with anesthesia. I did

I'm going to be a bit contrarian and say that drinking that awful liquid the evening before the procedure is 100x worse than not doing it with anesthesia. I did my colonoscopy without any anesthesia, and while it's not very pleasant, it's not painful, it's just a very weird sensation.