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Horizon

61 Season
1173 Episode

Horizon - Season 46 Episode 3 Why Do We Dream?


(33 votes, average: 7.40/ 10)

60 minutes 2026 HD

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Horizon uncovers the secret world of our dreams. In a series of cutting-edge experiments and personal stories, we go in search of the science behind this most enduring mystery and ask: where do dreams come from? Do they have meaning? And ultimately, why do we dream? What the film reveals is that much of what we thought we knew no longer stands true. Dreams are not simply wild imaginings but play a significant part in all our lives as they have an impact on our memories, the ability to learn, and our mental health. Most surprisingly, we find nightmares, too, are beneficial and may even explain the survival of our species.

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Season

Season 0 Season 1 Season 2 Season 3 Season 4 Season 5 Season 6 Season 7 Season 8 Season 9 Season 10 Season 11 Season 12 Season 13 Season 14 Season 15 Season 16 Season 17 Season 18 Season 19 Season 20 Season 21 Season 22 Season 23 Season 24 Season 25 Season 26 Season 27 Season 28 Season 29 Season 30 Season 31 Season 32 Season 33 Season 34 Season 35 Season 36 Season 37 Season 38 Season 39 Season 40 Season 41 Season 42 Season 43 Season 44 Season 45 Season 46 Season 47 Season 48 Season 49 Season 50 Season 51 Season 52 Season 53 Season 54 Season 55 Season 56 Season 57 Season 58 Season 59 Season 60 Season 61

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