Finally, a Sleep Tracker That Doesn’t Need to Sleep With Me

To evaluate the Hatch’s accuracy, I compared its readings with those from my Apple Watch Series 12 and Oura Ring 5. (Hatch says the first few nights are a calibration period, so data may be less accurate during this period.) Sleep duration estimates were generally consistent, but the most noticeable variance appeared in the sleep stages. That's a metric I tend to take with a grain of salt, regardless of what sleep tracker I'm testing. While it can offer more…