Стадии сна и циркадианные ритмы | Здоровье | Медицина
В этом видео мы расскажем о фазах сна и циркадных ритмах.
Это видео - русская версия видео «Sleep stages and circadian rhythms» Академии Хана (https://www.khanacademy.org/science/h.... This video is a Russian dubbed version of the Khan Academy video "Sleep stages and circadian rhythms" (https://www.khanacademy.org/science/h....
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