Longest recorded dream

Longest recorded dream
Quem
David Powel
Quando
29 April 1994
Dreaming sleep is characterized by rapid eye movements known as REM. 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 average dream lasts around 20 minutes.