Sleep & Change Specialists brings behavioral sleep medicine, circadian science, health behavior change, and digital technology together to improve how people sleep, function, feel, perform, and recover.
Clinical Care
Evidence-based treatment for insomnia, circadian rhythm disorders, PAP adjustment, and sleep concerns affecting performance for individuals and for professional, collegiate, and elite high school athletic teams.
Explore Clinical CareConsulting
Digital health and product strategy, clinical program design, wearables and biomarkers, clinical workflows, hospitality and built-environment sleep audits, and scientific advisory work.
Explore ConsultingSpeaking & Education
Keynotes, corporate webinars, workshops, panels, continuing education for clinicians, podcasts, and media commentary on sleep, circadian rhythm, and behavior change.
Speaking & EducationAreas of Expertise
The specialty that treats sleep disorders with behavioral and psychological methods: what it is, who practices it, and when to seek it.
Read moreCognitive behavioral therapy for insomnia (CBT-I): the components, the evidence, and how it compares with sleep hygiene and medication.
Read moreThe body clock, light, melatonin, zeitgebers, sleep timing, shift work, jet lag, and circadian rhythm sleep-wake disorders.
Read moreWhy sleep interventions succeed or fail: habit formation, reinforcment, theories of health behavior change, consistency, adherence, and sustainable change.
Read moreSleep across the menstrual cycle, fertility, pregnancy, postpartum, family sleep, perimenopause, and post-menopause.
Read moreWearables, consumer sleep technology, digital therapeutics, remote monitoring, and what the data can and cannot say.
Read moreAbout
Health Psychologist | Board-Certified in Behavioral Sleep Medicine | Founder & Principal Consultant, Sleep & Change Specialists
Christine Mason, PhD, DBSM is a health psychologist board-certified in behavioral sleep medicine. Her work spans clinical care, clinical program design, and digital health, including CBT-I, circadian rhythm disorders, PAP adherence, behavioral support for hypersomnia and narcolepsy, pediatric behavioral sleep medicine, women's sleep, and the design of sleep interventions delivered through technology.
She consults with digital health and wearable companies, healthcare and wellness organizations, athletic and performance teams, and hospitality and real estate builders on how sleep and circadian science translate into products, programs, workflows, and environments.
Latest Insights
Circadian Rhythm
Zeitgebers are environmental time cues that entrain the circadian clock to the 24-hour day. Here is how each one works and which ones matter most.
Read moreCircadian Rhythm
A consistent wake time anchors the circadian clock and builds sleep pressure for more reliable sleep at night. Here is why clinicians should target wake time first, and how to help patients set one.
Read moreCircadian Rhythm
A step-by-step, evidence-informed method for moving your sleep schedule earlier or later using light, timing, and gradual shifts.
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