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Mysteries of SleepSeries 1Episodes

    Sleep Deprivation and Insomnia

    If we don't snooze, we lose. How badly does lack of sleep affect our mind and our body?

    Dreaming

    2/3What happens when signals in the brain misfire and dreams become terrifying nightmares?

    Sleepwalking

    Bizarre bedtime behaviours that include a woman who rides her motorbike while asleep.