Les cycles du sommeil

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Uploaded by on Jul 18, 2011

Nous passons le tiers de notre vie à dormir, mais que se passe-t-il dans notre corps pendant que l'on dort ? Sommeil léger, sommeil profond, sommeil paradoxal... Chaque nuit, trois à cycles cycles de 90 minutes se succèdent. Cliquez sur j'aime et partagez avec vos ami(e)s .Plus de videos sur ......http://oua.be/6o4

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  • merciiiii pr le partage .. c très intéressant :)))))))))

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