I really think that a prank, on the feelings of members of this site, would never be allowed. The one last year was in the Drug forum and really didn't do anything to any of us. It's a tough audience.
BTW NOT an April fool's joke: tonight is Daylight Savings Time start... those in USA affected (not all States and areas here do this) TURN YOUR CLOCK BACK one hour ( 2 am Sunday becomes 1 am Sunday.)