Sleep Tracking
A tracker estimates your sleep; it does not measure it the way a sleep laboratory does. That makes the nightly number less useful than the trend across a fortnight. This hub covers what these devices can and cannot see, which patterns are worth acting on, and how to read your own data without it reading you.
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Guides in Sleep Tracking
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This hub exists before its first guide does — the six topics are the structure of the site rather than a by-product of what happens to be written. Guides for it are drafted and will publish once they have been reviewed and a named reviewer can be credited on the page. Nothing is being withheld from you; there is simply nothing yet that has cleared that bar.
Keep exploring the signals
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