Tools & Downloads
Practical tools built on circadian science
Tools translate the evidence into decisions: when to get light, when to stop caffeine, how to read your own data, and how to hold a schedule steady.
Tools in development
Each tool is reviewed for clinical accuracy before release. Subscribers get them as they publish.
Tell me when tools are ready
A short note when a new tool or download becomes available.
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Newsletter
Aligning Rhythms
Short, evidence-based explanations of interesting and useful ideas in sleep, circadian science, behavior change, and sleep technology.
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