Just had one Thursday, same here little sleep the drink of choice was 2 12oz. bottles of lemon flavored magnesium citrate even in the fridge cooled did not help but I held it down. It was so nasty.Right after my colonoscopy.
He said see him again in 5 years.
Didn't get a bit of sleep after drinking the Suprep last night; that is some nasty stuff, but the pharmacist said that does the best job.