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Sleep Medicine
A practical collection of sleep physiology, sleep-disordered breathing, diagnostic testing, PAP therapy, insomnia, circadian biology, and emerging concepts in precision sleep medicine.
Sleep Medicine Topics
Explore each topic through a recent review or authoritative evidence synthesis.
Sleep Physiology
Sleep architecture, REM and NREM physiology, autonomic changes, ventilatory control, and neurobiology of sleep.
Obstructive Sleep Apnea
Pathophysiology, endotypes, phenotypes, cardiovascular consequences, REM-predominant disease, and treatment selection.
Sleep Testing
Polysomnography, HSAT, WatchPAT, AHI definitions, oxygen metrics, pretest probability, and interpretation pitfalls.
PAP Therapy
CPAP, APAP, bilevel therapy, pressure selection, adherence, troubleshooting, and treatment-response assessment.
Insomnia & Circadian Disorders
CBT-I, sleep scheduling, circadian timing, behavioral assessment, and practical treatment principles.
Hypersomnia & Emerging Concepts
Excessive sleepiness, central hypersomnolence disorders, pharmacotherapy, biomarkers, and precision approaches.
Featured Sleep Teaching
Article / Review
OSA is not one disease — it is a collection of physiologic failure modes
The same apnea-hypopnea index can emerge from very different combinations of airway anatomy, ventilatory control, arousal biology, and upper-airway muscle performance.
