Uncle Billy fell asleep in front of the television again. Five minutes later a noise from the kitchen awakened him. He sat up looking a bit dazed and explained, "I was having something like a dream. I saw my first bicycle, Old Blue, just as bright and shiny as it was when it was new." Uncle Billy was probably experiencing
REM sleep?
http://drdavespsychologypage.intuitwebsites.com/Dream_Revelations.pdf