Four poster beds

 I sometimes come across this old myth: Four Poster Beds had canopies to catch mice falling from thatched roofs. No,

four-poster beds had canopies and curtains to keep out drafts. (Old houses had many drafts). There is no evidence that the canopy was designed to catch falling rodents. In any case, a four-poster bed was very expensive. If you were wealthy enough to afford one you would normally have a roof of tiles, not thatch. Even if you did have a thatched roof in a wealthy home all bedrooms had proper ceilings. So there was a ceiling between the bed and the roof.