Our Sources
We reference authoritative organizations and peer-reviewed research to ensure accuracy and trustworthiness across all our content.
Government & Regulatory
Centers for Medicare & Medicaid Services (CMS)
Insurance coverage rules, billing codes, and Medicare/Medicaid sleep study policies
National Institutes of Health (NIH)
Peer-reviewed research on sleep disorders, treatment efficacy, and public health data
California Department of Health Care Services
State-level Medi-Cal coverage policies and provider requirements
U.S. Department of Veterans Affairs
VA sleep health programs, CPAP coverage, and veteran-specific resources
Professional Organizations
American Academy of Sleep Medicine (AASM)
Clinical guidelines, accreditation standards, and practice parameters for sleep medicine
American Board of Sleep Medicine
Board certification standards and provider qualification criteria
American Thoracic Society
Respiratory-related sleep disorder guidelines and treatment standards
Sleep Research Society
Current sleep science research and emerging evidence
Clinical Guidelines
AASM Clinical Practice Guidelines
Evidence-based recommendations for diagnosis and treatment of sleep disorders
International Classification of Sleep Disorders (ICSD-3)
Diagnostic criteria and classification of sleep disorders
U.S. Preventive Services Task Force recommendations
Screening and prevention guidelines relevant to sleep health
Data Sources
Bureau of Labor Statistics
Insurance coverage rates, healthcare cost data, and pricing trends
U.S. Census Bureau
Population demographics and geographic data for service coverage analysis
California Health and Human Services Open Data
State healthcare facility data, provider directories, and public health statistics
Sources are verified quarterly. Last review: May 2026.