hypnopaedia
noun/ˌhɪpnəʊˈpiːdiə/
/ˌhɪpnəʊˈpiːdiə/
(British English) (North American English hypnopedia)
[uncountable]- learning something while you are asleep or under hypnosis
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hypnopaedia
Definition of hypnopaedia noun from the Oxford Advanced Learner's Dictionary