They don't; they just seem to physiologically. They really last much longer in real time.
actually dreams come up when you have about 45 minutes left in the night some dreams last about 3 or 5 seconds but thats very rare.Most dreams last 10-45 minutes, so the times when you forget your dreams are when they begin early. I have read a book that dreams last 3 milliseconds, that is not true.
3 seconds
The duration of Liquid Dreams is 1920.0 seconds.
The duration of Computer Dreams is 3480.0 seconds.
The duration of California Dreams is 1440.0 seconds.
The duration of As Dreams Are Made On is 660.0 seconds.
dreams have been found that they go for 7 seconds.
The duration of High Street Dreams is 3600.0 seconds.
The duration of Dreams - TV series - is 1800.0 seconds.
3 minutes and 50 seconds
It lasted 3 seconds
The duration of So Many Dreams is 1.42 hours.