The Lab

Everything we measure, published — including what did not work.

A product that judges whether something worked for you has to show what it judges with. Here are the thresholds, the evidence and the method, open for anyone to review or reuse.

The wearable data comes from a single body (plus one replication subject), measured within-person. It is not a population study and we do not dress it as one — it serves to know how much noise each signal carries before promising that a change means anything.