Public Timelines

For companies For educational institutions For teachers For students Dashboard

For educational institutions For teachers For students Dashboard

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

dec 9, 1989 - Dement, Thomas Roth, and Merir Kryger

Description:

"Principles and practices of sleep Medicine" becomes authoritative text in sleep med used today.
Also begins looking at different animals sleeping

Added to timeline:

History of Sleep study

ByK

9 Oct 2018

0

0

429

Date:

dec 9, 1989

Now

~ 36 years ago

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

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

Secured with SSL