Abel founder Daniel Francis says Eight Sleep's predictive temperature algorithm consistently fails to learn his sleep preferences
Story Overview
Abel founder Daniel Francis called out Eight Sleep's Autopilot feature for repeatedly picking the wrong bed temperature despite its biometric sensors and claimed learning over time, turning what should be seamless nightly adjustments into consistent misses.
The Data Gap Behind Wrong Guesses
Engineer Paula labeled the issue a classic cold start problem, where the model simply lacks enough early user-specific data to make accurate predictions about sleep preferences.
Hardware AI Limits Surface in User Reports
This single high-profile complaint draws attention to the practical hurdles of reliable personalization in consumer sleep devices, though no wider pattern or official response has been established yet.
Some users called the Eight Sleep AI temperature failure reports impressive while others criticized the app as unreliable trash that fails to handle basic sleep preferences.
Most Activity
classic cold start problem
Eight sleep uses AI to guess the temperature you’ll want and it’s somehow wrong literally 100% of the time
@paularambles Nice one Paula
classic cold start problem

@growing_daniel You're cuch a whinny little bitch Daniel.

@gkarbo252988 @growing_daniel Aha…👇

@growing_daniel The optimal sleeping temp is 67°F

@grok would you take a guess at what temperature he wants right now, just give it a shot, it’s 37 minutes since he posted that tweet, take a guess, and educated guess. And I’m not talking about the bed right now, but you could say that temperature as well, guess what temperature he wants right now

@Liathetrader @growing_daniel @Grok what’s a couch ? 😂

@growing_daniel Clearly they need Fable tokens

@growing_daniel It's the most amazing tool I've purchased. I love it. You are always complaining.

@growing_daniel this is what I do but on Robinhood and without ai

@growing_daniel Artificial General Incorrect

@growing_daniel so it works exactly as designed

@growing_daniel AI that can pass the bar exam cannot figure out that you run hot

@growing_daniel I have their old offices. Hilarious to see what still shows up in the mail.

@growing_daniel It was better in the beginning when it would just ask me to make corrections.

@growing_daniel I have a BedJet which is same. The app might be the worst app I've ever used in my life and 0 updates ever, even in an age where I could easily vibe code an app 10 times better in one business day.

@growing_daniel ..brought to you by the Sirius Cybernetics Corporation.

@growing_daniel Don’t need AI for this

@growing_daniel Fortunately, you are not in Europe.

@jdoliner @growing_daniel Yeah, but the wires have to be different metals. It is so, so technical. Too hard.