In 2010, researchers found that subjects were much better  at getting through a complex 3-D maze if they had napped and dreamed of the maze prior to their second attempt.
W 2010, badacze odkryli że badani poradzili sobie dużo lepiej ze skomplikowanym labiryntem 3D kiedy robili drzemki i śnili o labiryncie przed drugą próbą.