Why Do Wearable Sleep Scores Disagree? Algorithms, Fit, and Missing Data Explained
Two wearable devices can track the same person on the same night and still produce different sleep scores, total sleep times, wake periods, and sleep-stage estimates. This does not necessarily mean...
Anillos, fibrilación auricular y palpitaciones: funciones y límites
Un anillo inteligente puede observar pulso, variabilidad de la frecuencia cardíaca (VFC), sueño, actividad y otras tendencias de bienestar. Algunos sistemas también avisan cuando un patrón parece i...
How Accurate Are Smart Rings for Heart Rate at Rest, During Sleep, and During Workouts?
Smart rings can provide useful heart-rate data, but accuracy is not identical in every situation. A reading collected while you are asleep or sitting quietly has very different signal conditions f...
HRV vs Resting Heart Rate: Which Metric Better Reflects Recovery?
Heart rate variability and resting heart rate are two useful metrics for understanding recovery, but they describe different aspects of cardiovascular regulation. Resting heart rate tells you how ...
Why Is My Respiratory Rate Higher During Sleep? Common Causes and Warning Signs
A higher respiratory rate during sleep means your smart ring estimated that you took more breaths per minute than is typical for your recent overnight pattern. One higher night does not automatica...
Frecuencia respiratoria y SpO₂: cómo interpretar tus noches
La frecuencia respiratoria y la SpO₂ aportan información útil sobre la respiración durante el sueño, pero describen aspectos distintos del proceso. La frecuencia respiratoria estima cuántas respira...
How to Track Respiratory Rate During Sleep and Understand Night-to-Night Changes
Your respiratory rate during sleep is the estimated number of breaths you take per minute while asleep. Because nighttime tracking reduces many daytime influences such as walking, talking, eating, ...
Do Smart Rings Emit EMF? Bluetooth Exposure and 24/7 Wear Explained
Yes. A smart ring can emit radiofrequency electromagnetic energy when its wireless radio is transmitting data. For RingConn, Bluetooth is used to communicate with a compatible phone, synchronize s...
Why Did My Sleep Score Drop Even Though I Slept Longer?
Sleeping longer does not always produce a higher sleep score. Total sleep duration is important, but a sleep score is designed to summarize more than the number of hours you spent asleep. A longer...