Narcolepsy
Insufficient Sleep and Sleep Deprivation
Sleep-Wake Cycles
Substance Use Disorders Affecting Sleep
Sleep Apnea
Insomnia
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Jun 25, 2026

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
Published on: April 7, 2020
1Rocky Mountain Sleep Disorders Center, Pueblo, Colorado 81003, USA. pueo34@juno.com
Excessive daytime sleepiness affects 20% of people and is often caused by sleep apnea. Identifying and treating underlying conditions like obstructive sleep apnea is key to managing this common symptom.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: