hypnopedia
noun
hyp·no·pe·dia
variants:
or chiefly British hypnopaedia \ ˌhip-nə-ˈpē-dē-ə 
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Medical Definition of hypnopedia
: instruction of a sleeping person especially by means of recorded lessons
— called also sleep-learning, sleep-teaching
Other Words from hypnopedia
hypnopedic
or chiefly British hypnopaedic \ -ˈpē-dik
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adjective
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adjective