The Complete Guide to Sleep Trackers and Wearables
Understanding Sleep Tracking Technology
Different devices use various methods to estimate sleep stages and quality.
Actigraphy vs. Polysomnography
How consumer devices differ from clinical sleep studies.
Heart Rate Variability Tracking
HRV as an indicator of sleep quality and recovery.
Movement Sensors
How accelerometers detect sleep/wake states.
Breathing Pattern Analysis
Some advanced trackers monitor respiratory rate.
Wrist-Worn Devices
Comparing popular fitness trackers for sleep.
Non-Wearable Options
Mattress pads and bedside sleep monitors.
Smart Ring Trackers
Finger-worn devices that measure pulse oximetry.
Accuracy Limitations
Understanding the margin of error in consumer tech.
Best Features to Consider
What metrics actually matter for sleep improvement.
Data Interpretation
How to analyze your sleep trends effectively.
Avoiding Orthosomnia
Preventing unhealthy obsession with perfect scores.
Battery Life Considerations
Devices that can track all night without charging.
Integration with Other Apps
Syncing sleep data with health platforms.
When to Upgrade
Signs you might benefit from more advanced tracking.
Privacy Concerns
Understanding what happens to your sleep data.