Best Smartwatches for Sleep Tracking in 2025
A smartwatch can provide valuable insights into your sleep quality by tracking sleep stages, heart rate, and breathing, helping UK users understand and improve their rest.
Starting at £129 (Amazfit GTS 4), £399 (Apple Watch Series 9)
Benefits of Sleep Tracking
- Insights into REM, deep, and light sleep
- Detection of restless nights or sleep apnoea signs
- Tips for better sleep patterns
- Smart wake-up during optimal sleep cycles
Choosing a Sleep-Friendly Smartwatch
Not all smartwatches are comfortable for overnight wear. Consider:
- Weight and Size: Lightweight and compact for comfort
- Battery Life: Must last a full night without charging
- Comfortable Strap: Soft silicone or nylon feels best
- Sleep Features: Automatic sleep detection and analysis
Top Smartwatches for Sleep Tracking
Apple Watch Series 9 / SE / Ultra
- Pros: Built-in sleep app, heart rate, sleep stage tracking via iPhone
- Note: Requires daily charging, ideally daytime
- Sleep Tip: Use a thinner strap for nighttime wear
Samsung Galaxy Watch 6
- Pros: Detailed sleep analysis, snore detection via smartphone
- Comfort: Lightweight design, long battery life
- Note: Snore detection requires phone on bedside table
Garmin Venu 3 / Forerunner 255
- Pros: Up to 10-day battery, advanced sleep score
- Unique: Body Battery combines sleep and recovery
- Comfort: Lightweight for continuous wear
Fitbit Versa 4 / Sense 2
- Pros: Renowned for sleep tracking, sleep score, and advice
- App: Fitbit Premium offers deeper insights
- Comfort: Ideal for smaller wrists, soft straps
Amazfit GTS 4
- Pros: Automatic sleep detection, lightweight build
- Advantage: Budget-friendly with robust sleep features
- Note: Slightly less accurate than premium brands
What Makes a Smartwatch Comfortable for Sleep?
- Lightweight: Under 35g
- Thin Profile: Under 12mm thick
- Soft, Flexible Strap: For comfort
- No Sharp Edges/Buttons: Prevents irritation
Tips for Sleeping with a Smartwatch
- Don’t wear too tight
- Choose a breathable strap to avoid sweat or irritation
- Charge during the day for nighttime use
- Enable ‘Do Not Disturb’ to avoid notifications
When Is a Smartwatch Unsuitable for Sleep?
- Heavy models (>50g, e.g., outdoor watches)
- One-day battery without fast charging
- Lack of automatic sleep tracking
Frequently Asked Questions
Does a Smartwatch Improve Sleep?
It doesn’t directly improve sleep but raises awareness of habits for improvement.
Is It Safe to Wear Overnight?
Yes, if kept clean and not worn too tight.
Which Wrist Is Best for Sleep Tracking?
Non-dominant hand for less movement and better data.
Is Sleep Tracking Accurate?
Accurate for trends, but consult a doctor for medical purposes.
Can I Sleep with an Apple Watch Ultra?
Yes, though its size and weight may feel uncomfortable for some.
Conclusion
For better sleep insights, choose a lightweight, comfortable smartwatch with reliable sleep tracking from brands like Apple, Samsung, Garmin, Fitbit, or Amazfit. Comfort is as crucial as technology. Find the perfect fit with our smartwatch accessories, all with free UK delivery.
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