Sophia Sleep Pre Mortem Protocol
In one sleep-lab study, adults who wrote a specific to-do list before bed fell asleep faster than those who wrote about tasks they had finished (Scullin et al., 2018). This is that private, offline scratch pad. Write what's worrying you. Then close it and rest.
Quick Summary
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Yes. Everything you write is stored only in your browser (IndexedDB, via PGlite) and is never sent to a server. Sophia does send a few content-free usage signals so we can see what to fix; the privacy page lists exactly what.
No. There are no accounts or logins. Open Sophia and start writing.
Yes. Once it has loaded, Sophia works offline as a Progressive Web App, including in airplane mode.
Adults who wrote a specific to-do list before bed fell asleep faster than those who wrote about finished tasks (Scullin et al., 2018, Journal of Experimental Psychology: General). Source