What is the longest dream?

What is the longest dream? The longest recorded period of REM is one of 3 hrs 8 mins by David Powell (USA) at the Puget Sound Sleep Disorder Center, Seattle, Washington, USA on 29 April 1994.

The longest recorded period of REM is one of 3 hrs 8 mins by David Powell (USA) at the Puget Sound Sleep Disorder Center, Seattle, Washington, USA on 29 April 1994.