sleep deprivation
type: Concept
broader: sleep

sleep
type: Concept
definition: Sleep: We all do it, we all need it. An individual who lives to be 75 will have slept an estimated 22 to 23 years of that time (more than 200,000 hours). [Source: Encyclopedia of Human Development; Sleep]
broader: psychophysiology
broader: physical activity and inactivity
broader: chronic disease, disease prevention, and lifestyle behaviors
broader: physical status
broader: behavioral medicine
broader: neurological processes
broader: physical and biological development
narrower: sleep stages
narrower: twilight sleep
narrower: sleep deprivation
narrower: dreams

psychophysiology
type: Concept
narrower: sleep

physical activity and inactivity
type: Concept
narrower: sleep

chronic disease, disease prevention, and lifestyle behaviors
type: Concept
narrower: sleep

physical status
type: Concept
narrower: sleep

behavioral medicine
type: Concept
narrower: sleep

neurological processes
type: Concept
narrower: sleep

physical and biological development
type: Concept
narrower: sleep

sleep stages
type: Concept
broader: sleep

twilight sleep
type: Concept
broader: sleep

dreams
type: Concept
broader: sleep

concepts
type: Collection
type: ConceptGroup
member: sleep