Garmin CIRQA Band: Is its sleep data accurate? A 2-Week Test

Yes, broadly, at least for total sleep duration. CIRQA's night-to-night timing holds up well against five other trackers over 15 nights, but its sleep-stage breakdown shows no consistent pattern, which is typical for a wrist-worn device. Read the full post at Garmin CIRQA Band: Is its sleep data accurate? A 2-Week Test . Subscribe to the5krunner for detailed running tech reviews, sports science…