Why do we Dream?
Distributed under licence from Educational Publishers LLP



Nightmares, recurring dreams, lucid visions... What do they all mean? Are they a window into a hidden realm within us? Horizon joins leading dream researchers and witnesses the extraordinary experiments they use to investigate the world of sleep. From human narcoleptics to sleepwalking cats, blind skiers to lucid dreamers, each contains a vital clue to the question these scientists are pursuing: why do we dream? Is it possible that one day we could use this knowledge, harness our dreams and improve our memory, learning and emotional wellbeing?