10 Best Sleep Tracking Devices 2025 in the United States

The Oura Ring 4 is a sleek, all-titanium smart ring designed to be worn comfortably 24/7, making it a good fit for anyone wanting continuous sleep and health tracking without a bulky device. It stands out for its accuracy, tracking over 30 health metrics including detailed sleep patterns, heart rate, stress, and activity, using adaptive Smart Sensing technology. Battery life is strong, offering up to 8 days on a single charge, which means less hassle charging frequently. The ring is water resistant and designed with comfort in mind, even for sensitive skin.

Syncing is straightforward via Bluetooth, and it works well with both iOS and Android devices while integrating smoothly with popular health apps like Apple Health and Strava. An added advantage is that it accepts HSA/FSA funds, making it more accessible for health-conscious buyers. On the downside, the sizing is unique and requires a separate sizing kit before purchase to ensure the right fit, which could be inconvenient. There is also a membership subscription after the first free month for accessing the app’s full features, which adds ongoing cost. The ring lacks GPS, so it’s not ideal for users needing detailed location tracking for fitness.

The device has no screen or vibration alerts, which helps maintain focus without distractions, though this might limit real-time feedback some users expect. The Oura Ring 4 is particularly suited for those prioritizing detailed sleep and health tracking in a comfortable, stylish wearable and who are willing to invest in its subscription service.

The Oura Ring 4 is a sleek, minimalist smart ring designed for 24/7 wear, making it a strong choice for those who want to track sleep and comprehensive health metrics without bulky devices. It offers impressive accuracy by monitoring over 50 health metrics, including detailed sleep data, activity, stress, and heart health, thanks to its Smart Sensing technology that adapts to your body.

Comfort is a priority; the ring is made from durable titanium, lightweight, water-resistant, and designed to fit better than earlier versions, ideal for all-day and night use. Battery life lasts up to 8 days on a single charge, minimizing the need for frequent recharging. The ring syncs easily with iOS and Android devices and integrates with over 40 popular health apps like Apple Health and Strava, making data management straightforward.

The subscription-based membership grants access to full app features, starting with a free month and then costing $5.99 monthly or $69.99 annually, which is important to consider for ongoing insights. Additionally, sizing requires a special kit since the ring sizes differ from standard ones, so careful measurement before ordering is recommended. For those seeking a discreet, stylish, and comfortable sleep tracker that also offers broad health monitoring, the Oura Ring 4 is a fitting option, though the membership cost and sizing process may require some extra attention.

The WHOOP Life fitness tracker offers strong continuous health monitoring, including sleep, stress, and heart metrics like ECG and blood pressure insights, which is quite advanced compared to many other sleep trackers. Its 14-day battery life is impressive, meaning you won’t need to charge it often, which is convenient for uninterrupted tracking. The included SuperKnit Luxe band is designed for comfort, and the device is lightweight and waterproof, making it suitable for wearing day and night without discomfort.

Data syncing works smoothly with smartphones and tablets, allowing easy access to detailed health insights through the WHOOP app. One of the standout features is its on-demand ECG readings and first-of-its-kind blood pressure monitoring, which add valuable layers of health information beyond standard sleep tracking. This device requires a 12-month membership, which adds ongoing cost, and while it is rich in features, it may be more complex than simpler trackers for users who want straightforward sleep data only.

Since it focuses heavily on fitness and overall health, those looking mainly for basic sleep tracking might find it more than they need. If you value detailed, continuous health insights and are willing to invest time and money into a comprehensive monitoring system, WHOOP Life is a solid choice. However, if you prefer a more budget-friendly or simpler device, you might want to consider other options.