Sleep optimisation protocol (circadian timing, sleep tracking, home sleep studies)

The offering is well documented; the healthspan claims made for it are not, at least not from anything I retrieved this session. My web search budget was exhausted before I could run any literature queries, so every source below is a clinic's own marketing page reached by direct fetch. On that basis I can evidence that these clinics sell the protocol and roughly what it contains, and nothing more. I have deliberately NOT graded this "clinical" — the broader sleep literature does contain human randomised evidence for behavioural sleep interventions such as CBT-I, and observational evidence linking sleep duration and regularity to cardiometabolic and cognitive outcomes, but I could not open a single one of those papers here and citing them from memory would be exactly the stale-recall error to avoid. Treat the "clinical" framing in the discovery brief as unconfirmed rather than refuted. Separately, even where trial evidence for CBT-I is strong, it does not transfer automatically to these packages: none of the pages I read presents outcome data for its own programme, and the step from "better measured sleep" to "extended healthspan" is asserted commercially, not demonstrated. A re-run with search budget available should target CBT-I meta-analyses and sleep-regularity cohort studies, and would likely justify upgrading the component evidence to clinical while leaving the clinic-programme claims at commercial.

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