Mammoth Cave experiments

GPTKB entity

Statements (13)
Predicate Object
gptkbp:instanceOf scientific research
gptkbp:country gptkb:United_States
gptkbp:duration 32 days
https://www.w3.org/2000/01/rdf-schema#label Mammoth Cave experiments
gptkbp:location gptkb:Mammoth_Cave
gptkbp:method isolation from natural light
gptkbp:notableContributor gptkb:Nathaniel_Kleitman
gptkbp:notableFor circadian rhythm research
gptkbp:result evidence for endogenous circadian rhythms
gptkbp:subject human sleep cycles
gptkbp:yearConducted 1938
gptkbp:bfsParent gptkb:John_Croghan
gptkbp:bfsLayer 6