Catalogued

Hypnogram

Made by

William Charles Dement and Nathaniel Kleitman

Year

1957

Field

Medicine

Kind

Data display

Room

Change over time — Placed by reading its description, not yet studied

5 other forms share this skeleton

Source

Dement and Kleitman 1957, Cyclic variations in EEG during sleep, Electroencephalography and Clinical Neurophysiology 9

Attribution less certain: contested, or no single inventor recorded

Searches, not citations

archive.orgcommons.wikimedia.orgscholar.google.com