2 nights after a sub-taylor dislocation of my right foot - playing volleyball and came down wrong, 4th of July, 1982.
2 nights after having tonsils and uvula removed in 1995.
2 nights with hernia and mesh surgery in 1999.
1 night with pancreatitis in 2002.
2 nights in 2004 with another round of pancreatitis.
2 nights after stomach surgery in 2008.
That's it so far but at 68, I fear there are a few more ahead of me.