Yesterday afternoon I awoke from about a one hour nap as my wife characterized it. I woke up looked around and immediately said, "where am I?" Momentarily, I looked around the room and it didn't seem familiar to me. I've only lived in this house about 2 1/2 years, but I had the feeling like when you were a young kid and went to stay with grandma/grandpa and wake up in a strange bed. My wife immediately raced over to me and looked at my pupils and stated asking me frame of reference questions. i.e. date of birth, my name, etc. until she was thoroughly convinced I hadn't suffered a stroke. It was just a very strange situation that I don't care to repeat.