Dreams are subjective and fleeting, but laboratories have developed ways of getting into the minds of people while they are dreaming. In this episode, Steven Strogatz speaks with sleep researcher Antonio Zadra about how new experimental methods have changed our understanding of dreams.

Antonio Zadra, PhD, is a professor of psychology at the University of Montreal and a researcher in sleep medicine, specializing in dreams and nightmares. He discusses why some people remember dreams while others do not and explores the therapeutic value of dreams in understanding emotional conflicts. Zadra delves into treatments for recurring nightmares, particularly for those with PTSD, and examines the fascinating realms of lucid dreaming and sleepwalking. He also touches on the intriguing concept of dream hacking, raising ethical questions about manipulating dreams.