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La masturbation favorise le sommeil, grâce aux endorphines produites, et apaise les états de nervosité, souvent à l’origine des insomnies. Elle fait figure de somnifère naturel si elle est...

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When coitus and masturbatiomasturbation endorphinen are analysed in respect to their effect on acute hormone responses, they are mainly associated with the release of endorphins, dopamine, oxytocin and。

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