Best Sleep Trackers for 2025 (Tested & Reviewed)

Getting quality sleep is essential for overall health and productivity. Whether you’re struggling with insomnia, want to optimize your sleep cycle, or simply track your nightly rest, a good sleep tracker can provide valuable insights. In this guide, we’ve reviewed the best sleep trackers of 2025 to help you find the perfect one for your needs.

🏆 Best Overall Sleep Tracker: Oura Ring Gen 3

⭐ Rating: 4.9/5

💰 Price: £250–£300
🔹 Key Features:

  • Advanced sleep tracking with heart rate variability (HRV)
  • Monitors body temperature and stress levels
  • Lightweight and comfortable for 24/7 wear
  • Smart sleep insights and personalized recommendations
  • Sleep score and daily readiness tracking
  • Long battery life (up to 7 days)
  • Syncs with Apple Health & Google Fit

✅ Why We Recommend It:
The Oura Ring Gen 3 is the best sleep tracker choice for those who want detailed sleep insights without wearing a bulky watch. It tracks deep sleep, REM cycles, and recovery scores while also monitoring your stress levels. The battery life lasts up to 7 days, making it one of the most convenient and best sleep trackers on the market.

👉 Check latest price on Amazon

⌚ Best Smartwatch Sleep Tracker: Apple Watch Series 9

⭐ Rating: 4.7/5

💰 Price: £399+
🔹 Key Features:

  • Tracks sleep stages (light, deep, and REM)
  • Built-in SpO2 sensor for oxygen monitoring
  • Works seamlessly with Apple Health & iPhone
  • Customizable sleep schedules & bedtime reminders
  • Fitness and health tracking features
  • Integration with meditation and relaxation apps

✅ Why We Recommend It:
The Apple Watch Series 9 is a top-tier smartwatch that provides accurate sleep tracking alongside fitness and health insights. If you’re already in the Apple ecosystem, this is the best sleep tracker choice for seamless integration with your iPhone. However, it requires daily charging, which can be a downside for overnight tracking.

👉 Check latest price on Amazon

⌚ Best Budget Sleep Tracker: Xiaomi Mi Band 8

⭐ Rating: 4.5/5

💰 Price: £50–£60
🔹 Key Features:

  • Affordable yet accurate sleep tracking
  • Monitors sleep duration, deep sleep, and light sleep
  • 14-day battery life
  • SpO2 and heart rate tracking
  • Sleep breathing quality monitoring
  • Lightweight and water-resistant

✅ Why We Recommend It:
If you’re on a budget but still want great sleep tracking, the Xiaomi Mi Band 8 is an excellent option. It offers solid accuracy at a fraction of the cost of premium trackers. The 14-day battery life is a standout feature, making it ideal for those who don’t want to charge every night.

👉 Check latest price on Amazon

💤 Best Sleep Tracker for Deep Sleep Analysis: WHOOP Strap 4.0

⭐ Rating: 4.6/5

💰 Price: Subscription-based (£18/month)
🔹 Key Features:

  • In-depth sleep performance insights
  • Tracks strain, recovery, and sleep quality
  • No screen – data is sent to the app
  • Personalized sleep recommendations
  • Tracks respiratory rate and heart rate variability
  • Designed for serious athletes and fitness enthusiasts

✅ Why We Recommend It:
The WHOOP Strap 4.0 is perfect for athletes or those who want in-depth sleep and recovery data. Unlike traditional sleep trackers, WHOOP focuses on recovery and sleep optimization rather than just tracking movement. However, it operates on a subscription model, which may not be ideal for everyone.

👉 Check latest price on WHOOP

🌙 Best Sleep Tracker for Comfort: Withings Sleep Tracking Mat

⭐ Rating: 4.6/5

💰 Price: £99
🔹 Key Features:

  • Non-wearable sleep tracking (under-mattress mat)
  • Measures sleep cycles, heart rate, and snoring
  • Automatic tracking with no need to wear a device
  • Syncs with Apple Health & Google Fit
  • Smart home integration for automated sleep routines
  • Clinically validated sleep apnea detection

✅ Why We Recommend It:
If you hate wearing gadgets while sleeping, the Withings Sleep Tracking Mat is the best non-wearable alternative. Just place it under your mattress, and it will track your sleep cycles, heart rate, and snoring patterns. It’s a great hands-free option but may not provide as much detail as wearable trackers.

👉 Check latest price on Amazon

🔍 How to Choose the Best Sleep Tracker

Before making a purchase, consider the following factors:

✔️ Tracking Accuracy: Look for trackers that measure deep sleep, REM cycles, and recovery metrics.
✔️ Comfort & Wearability: Rings and mats are great for those who dislike wearing wrist devices.
✔️ Battery Life: Longer battery life = less frequent charging.
✔️ App Compatibility: Ensure the tracker syncs with Apple Health, Google Fit, or other health apps you use.
✔️ Additional Features: Some sleep trackers also measure stress, heart rate variability (HRV), and SpO2 levels.
✔️ Subscription Fees: Some trackers require monthly subscriptions, while others are one-time purchases.

👇Start your journey to better sleep now!

If you want to understand how many sleep cycles you need to optimal functioning, check out our Sleep Cycle Calculator and see the best times for you to wake up and go to sleep.

🛍️ Final Thoughts: Which Sleep Tracker Should You Get?

👉 Find the best sleep tracker for you here

🌟 Next Steps

Now that you know the best sleep trackers for 2025, it’s time to choose one that fits your lifestyle and start improving your sleep quality today!