Sleeping a night with the windows open letting the night air in the room. The Terry Corollary implies that if you Sleep like a Swede and your name is Terry, then you also sleep in the nude.
"Last night was such a beautiful night I opened the windows and was Sleeping like a Swede."
"Too bad Terry wasn't joining you"
"Too bad Terry wasn't joining you"
by Argan April 24, 2010