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Scientists have conducted a new study into the link between lack of sleep and a belief in aliens, ghosts and demons.
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During sleep paralysis, the experiencer can hallucinate all manner of strange entities in the room with them.
25
A terrifying phenomenon known to cause paralysis and hallucinations at night is surprisingly common.
5
In a remarkable breakthrough, a brain training system has restored movement in eight paraplegic patients.
4
Scientists have been working on a way to help paralysis patients regain some movement in their hands.
8
A paraplegic has been able to take his first tentative steps thanks to a new brain to computer interface.
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The terrifying phenomenon may account for numerous sightings of ghosts, monsters, demons and more.
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Darek Fidyka has become the first person to walk again after having his spinal nerves completely severed.