06/16/2026
Your sleep tracker says everything looks normal?
That doesn't mean you're in the clear.
Many watches and rings are only around 70% accurate when it comes to detecting sleep issues.
If your tracker detects blood oxygen drops or heart rate spikes, pay attention. But if it finds nothing? That's not enough to rule out a sleep disorder.
Your sleep tracker can flag potential issues, but it can't diagnose or exclude them.
Listen to the full episode of The Rest Factor podcast with Dr. Wells. Link in bio.