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Sleep Formula
Sleep Formula is a mobile app that combines cognitive behavioral therapy techniques with sleep cycle tracking to help users optimize their sleep quality
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
Sleep Formula is a mobile app that combines cognitive behavioral therapy techniques with sleep cycle tracking to help users optimize their sleep quality. The app monitors sleep patterns, provides actionable insights, and enables users to wake refreshed at any time through intelligent cycle detection. Build healthier sleep habits with personalized analysis and guidance.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 20, 2026Went darkDead · 404
- Jun 19, 2026Probe inconclusiveUnknown
- Jun 16, 2026First probe — downDead · 404
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y