Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

sep 20, 1911 - Rene Legendre and Henri Pieron

Description:

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

Added to timeline:

History of Sleep study

ByK

9 Oct 2018

0

0

418

Date:

sep 20, 1911

Now

~ 114 years ago

About & Feedback Terms Privacy FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL