Sanso
Your Apple Watch tracks SpO2 nightly. Now you can see it.
Sanso launched on June 4, 2026 with 4 votes, #3,322 of 22,647 launches that month and more than 75% of that year's launches.
What it does
For 10 years, I woke up exhausted every morning. I told myself it was stress, or just getting older. Then I found my Apple Watch blood oxygen data — buried deep in a menu I'd never opened. My SpO2 had been dropping every single night. Turned out I had sleep apnea. After treatment, the exhaustion vanished overnight. Ten years. The data was there — I just couldn't see it. Sanso surfaces your Apple Watch SpO2 data every morning with a plain-language AI explanation. No digging through menus.
Your Apple Watch measures blood oxygen every night. Sanso surfaces that data automatically — with a daily SpO2 report and AI explanation, every morning.
Your Apple Watch already measures blood oxygen every night. Sanso surfaces that data every morning — automatically. No new habits. Just wear your watch to bed. If even one applies to you, your blood oxygen levels might be worth checking. Are you writing these symptoms off as stress or aging? The answer might already be in your Apple Watch data. Repeated drops in blood oxygen during sleep are one of the hallmarks of sleep apnea . It's estimated that nearly 1 billion people worldwide are affected — and the vast majority have no idea. Sanso surfaces your Apple Watch SpO2 data and alerts you to patterns worth paying attention to. Start by simply seeing your own data. * Sanso is not a diagnostic…from sanso-tariteru.vercel.app
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