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Sleep education worth your time
Everything Sleep & Change publishes for the public lives here: in-depth guides, the article library, and answers to real questions, all written and reviewed by Dr. Christine Mason, PhD, DBSM.
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Cornerstone topics
Featured tool
Clock Change Planner
A free, educational planner that turns circadian principles into a dated schedule for bedtimes, wake times, children's routines, and pet feeding before daylight saving time begins or ends.
Plan for the Clock ChangeLooking for a calm few minutes during the day? Try Rising Canopy guided breathing, a gentle visual pace for slow, comfortable breathing.
Article library
Recent articles
Circadian Rhythm
What Are Zeitgebers? Time Cues That Set Your Body Clock
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
Why Wake Time Can Matter More Than Bedtime
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
How to Shift Your Sleep Schedule Without Losing a Week
A step-by-step, evidence-informed method for moving your sleep schedule earlier or later using light, timing, and gradual shifts.
Read moreCircadian Rhythm
Morning Light and Circadian Rhythm: How Much Do You Need?
Why morning light is the strongest lever for sleep timing, how much you need, and what to do in winter or when mornings are dark.
Read moreCircadian Rhythm
Social Jet Lag: What It Is and Why It Affects How You Feel
Social jet lag is the mismatch between your biological clock and your social schedule. Here is how it is measured and what it does to alertness and health.
Read moreInsomnia & CBT-I
CBT-I vs. Sleep Hygiene: Why They Are Not the Same Thing
Sleep hygiene is general advice; CBT-I is a structured, multi-component treatment with strong evidence for chronic insomnia. Here is the difference.
Read moreTopics covered: Insomnia & CBT-I, Circadian Rhythm, Sleep Science, Behavior Change, Wearables & Technology, Performance, Children & Families, Women's Sleep, Digital Health.
Aligning Rhythms
Aligning Rhythms
Evidence-based ideas about sleep, circadian rhythm, and behavior change, delivered by Sleep & Change.