A very warm welcome to Vertevia.com. Our article today is going to be focussing on a very important subject and is titled 5 Smartwatches That Track Sleep Stages. Do you already own a sleep stage tracking device? If you do, please let us know in the comments section below which type and brand you are using. Right, let’s get started on the main content! 🙂
Introduction
Sleep is one of the most critical pillars of good health. It’s just as important as nutrition and exercise. Yet many people struggle to get good quality deep sleep and don’t understand what’s really happening while they sleep. That’s where smartwatches with sleep stage tracking come in. These wearable health tech devices offer detailed insights into your nightly rest, helping you understand how much time you spend in light, deep, and REM sleep. They can reveal patterns, disturbances, and habits that affect your sleep quality and overall well being.
Unlike basic sleep trackers, smartwatches with advanced sleep stage monitoring use heart rate variability, movement sensors, and sometimes even skin temperature to give you a clearer picture of your sleep architecture. In this guide, we explore five of the best smartwatches that accurately track your sleep stages, without requiring a subscription. This makes them ideal for both everyday users and health conscious sleepers.
Why Should You Use Sleep Stage Tracking Smartwatches?
Using a smartwatch with sleep stage tracking goes beyond simply knowing how many hours you slept. These devices analyse your sleep cycles, including light, deep, and REM stages, to give a more comprehensive picture of your sleep health. This data can help you:
- Identify sleep disorders like insomnia or fragmented sleep.
- Improve your bedtime habits by recognizing poor sleep trends.
- Track how factors like exercise, caffeine, or screen time impact your rest.
- Optimize recovery and physical performance for fitness enthusiasts or athletes.
Whether you’re trying to get healthier, boost productivity, or recover faster, sleep tracking smartwatches can empower you with actionable insights.
5 Smartwatches That Track Sleep Stages
1. Fitbit Versa 4
- Price: $199
- Sleep Features: Tracks light, deep, and REM sleep, sleep score, smart wake alarm
- Other Features: Heart rate monitor, SpO2, 6 day battery life, Google Assistant
- Benefits: Easy to use interface, Fitbit app insights, long battery life
- Pros:
✅ Excellent sleep stage tracking
✅ Lightweight and stylish
✅ Works without subscription for basic data - Cons:
❌ Some advanced analytics require Fitbit Premium
❌ No third party app support
2. Garmin Venu 2
- Price: $399
- Sleep Features: Sleep stage tracking, pulse oximeter, stress score, respiration rate
- Other Features: AMOLED display, GPS, music storage, fitness tracking
- Benefits: Advanced health metrics, detailed sleep graphs, robust build
- Pros:
✅ No subscription required
✅ Rich health and sleep analytics
✅ Long battery (up to 11 days) - Cons:
❌ Expensive
❌ Sleep tracking accuracy may vary with erratic schedules
3. Withings ScanWatch
- Price: $299
- Sleep Features: Tracks sleep cycles, duration, and interruptions; Sleep Score
- Other Features: ECG, SpO2, 30 day battery, hybrid design
- Benefits: Medical grade sleep data, elegant analogue design
- Pros:
✅ Long battery life
✅ No ongoing fees
✅ Excellent sleep accuracy - Cons:
❌ Lacks touch screen
❌ Limited app ecosystem
4. Samsung Galaxy Watch 6
- Price: $299
- Sleep Features: Monitors all sleep stages, snore detection, SpO2, coaching
- Other Features: Wear OS, ECG, GPS, fitness tracking
- Benefits: Powerful integration with Android, wellness tracking data
- Pros:
✅ Accurate sleep stage detection
✅ Feature rich
✅ Works well with Android - Cons:
❌ Battery life only 1 to 2 days
❌ Best features limited to Samsung phones
5. Amazfit GTR 4
- Price: $199
- Sleep Features: Monitors deep, light, REM sleep, breathing quality, sleep score
- Other Features: 150+ sports modes, GPS, voice assistant, 14 day battery
- Benefits: Affordable yet feature packed
- Pros:
✅ Great value for price
✅ Solid battery life
✅ No monthly fees required - Cons:
❌ Less refined app UI
❌ Fewer health data integrations than premium brands
General Pros and Cons of These Sleep Stage Tracking Smartwatches
✅ Pros:
- Help track and improve sleep habits
- Offer insights into sleep disturbances and duration
- Combine sleep data with health and fitness tracking
- Work without ongoing subscription fees
- Compatible with major mobile platforms (iOS and Android)
❌ Cons:
- Sleep accuracy varies by device
- Some require you to wear the device all night, which can be uncomfortable for some users
- Battery life can be limited depending on features and usage
- Some features may still be locked behind optional paid apps (e.g., Fitbit Premium)
Frequently Asked Questions
1. Do I need to pay a monthly fee to access sleep tracking?
No. All the devices listed offer free sleep stage tracking out of the box. Some brands like Fitbit offer optional premium features, but core sleep data is free.
2. How accurate are sleep tracking smartwatches?
While not as accurate as polysomnography (lab sleep tests), modern smartwatches offer reasonably accurate data for personal use, especially those with heart rate and SpO2 sensors.
3. Can sleep trackers detect sleep apnoea?
Some devices monitor oxygen levels and breathing irregularities but are not FDA approved for diagnosing conditions like sleep apnoea. Always consult a doctor for clinical diagnosis.
4. Is it safe to wear a smartwatch all night?
Yes, it’s generally safe. The radiation from Bluetooth is extremely low, and most users experience no side effects. Comfort may vary depending on the watch design.
5. Will sleep tracking drain my battery quickly?
Yes, overnight tracking uses battery, but many smartwatches are optimized for long use. Some, like Withings ScanWatch or Amazfit GTR 4, last several days or even weeks.
6. What’s the best smartwatch for both sleep and fitness?
The Garmin Venu 2 and Samsung Galaxy Watch 6 are excellent choices for comprehensive health and fitness tracking, along with accurate sleep stage monitoring.
Tips to Get the Most from Your Sleep Tracker
- Wear it consistently: Regular usage helps the watch learn your patterns.
- Enable SpO2 & heart rate tracking: This gives a more accurate sleep stage report.
- Avoid caffeine and screens before bed to get more consistent results.
- Charge smartly: Charge during showers or meals to avoid running out at night.
- Sync with your health apps for deeper analysis of your sleep and lifestyle.
- Review data weekly, not daily, to focus on long term trends, not nightly anomalies.
Conclusion
Understanding your sleep is one of the smartest steps you can take toward better health, energy, and mental clarity. With the latest smartwatches offering detailed sleep stage tracking, it’s never been easier to monitor and improve how you rest.
The five smartwatches we’ve reviewed—Fitbit Versa 4, Garmin Venu 2, Withings ScanWatch, Samsung Galaxy Watch 6, and Amazfit GTR 4, each offer unique features and benefits. Whether you prioritize battery life, accuracy, style, or value, there’s a sleep tracker here to fit your lifestyle without locking you into a monthly fee.
Investing in your sleep means investing in your health. Choose the right smartwatch, wear it consistently, and start taking control of your nights, so your days can be even better.
Our Thanks!
Many thanks for taking the time to read through this article on 5 Smartwatches That Track Sleep Stages. Hopefully, you have taken some positive information from it and that it helps you in your search for a suitable sleep stage tracking device. Why not take a look through our blog? We have lots more really helpful articles on sleep tracking and other wearable health monitoring device topics as well . You might like our related article which is titled The 5 Best Sleep Monitoring Devices.
Please let us know in the comments which type and brand of sleep tracking device you are currently using or plan to buy in the future!
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All the best!
Eamon