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20 sett 1911 anni - Rene Legendre and Henri Pieron

Descrizione:

Identified sleep inducing (hypogenic) molecule that accumulates in the body during waking hours "hypnotoxin" Did this by experiments with dogs.

Aggiunto al nastro di tempo:

History of Sleep study

ByK

9 ott 2018

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414

Data:

20 sett 1911 anni

Adesso

~ 114 years ago

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