My experience is that people are most likely to listen to reason when in bed.
Quotes from Liner notes of An Evening With Groucho — Groucho Marx
Attribution
Quotes and notes from Wikiquote: Groucho Marx (page history), available under CC BY-SA 4.0.
Quotes and notes from Wikiquote: Groucho Marx (page history), available under CC BY-SA 4.0.