Actigraphy watches are essential tools for research, particularly in sleep, activity, and circadian rhythm studies. While the US-based ActiGraph brand is a popular choice, there are several international companies offering devices that are as good, if not better, in terms of features and value for money. This guide introduces top actigraphy watches, including Fibion’s offerings, which are available in the US with full support and service.

Access our detailed comparison sheet with full pricing and features of all available models.

Best Actigraphy Watches Available in the US

1. Fibion Helix

The Fibion Helix is a versatile and affordable actigraphy watch that provides advanced features, making it a top choice for researchers in the US.

• Key Features:
  • 3-axis accelerometer for accurate activity tracking.
  • Patented optical sensor for heart rate and heart rate variability.
  • Automatically calculates sleep stages, sleep efficiency, and recovery metrics.
• Why Choose It:
  • Research-grade accuracy at an affordable price.
  • Fully supported in the US with access to Fibion’s customer service and documentation.
  • Includes a participant app for streamlined engagement.

Pros:

• Excellent value for money.
• Suitable for both activity and sleep research.
• Comprehensive SDK and API for research applications.

Cons:

• Lacks ambient light measurement.
• No display for real-time feedback.

2. ActiGraph LEAP

The ActiGraph LEAP is a US-based device widely used in research settings. Its multisensor design provides detailed environmental and physiological data.

• Key Features:
  • Sensors include a 3-axis accelerometer, photoplethysmography (PPG), skin temperature, barometer, and light exposure.
  • Wrist-worn design with a display for real-time feedback.
• Why Choose It:
  • Comprehensive sensor suite for sleep and circadian rhythm studies.
  • US-based company, ensuring easy access to local support.

Pros:

• Tracks a wide range of physiological and environmental variables.
• Provides light exposure data to support circadian rhythm studies.

Cons:

• High cost for both the device and software.
• Limited to wrist-worn placement.

3. Fibion SENS

The Fibion SENS is designed for long-term research, offering unmatched battery life and ease of use.

• Key Features:
  • 22-week battery life for uninterrupted studies.
  • Waterproof with robust durability for diverse environments.
  • Records raw acceleration data for activity and sleep-wake analysis.
• Why Choose It:
  • Affordable and available in the US with full Fibion support.
  • Ideal for longitudinal studies requiring minimal participant interaction.

Pros:

• Low maintenance with extended battery life.
• Simple to use for both researchers and participants.
• Affordable compared to similar devices.

Cons:

• Measures only acceleration, without additional physiological signals.

4. Fibion Flash

The Fibion Flash offers versatility for researchers needing both activity and physiological data, including ECG and HRV.

• Key Features:
  • 6-axis motion sensor (accelerometer and gyroscope).
  • ECG sensor for heart rate variability and recovery analysis.
  • Customizable features and robust SDK for advanced applications.
• Why Choose It:
  • Available in the US with extensive support and documentation from Fibion.
  • Ideal for cardiovascular and activity research.

Pros:

• Tracks motion and ECG simultaneously.
• Affordable compared to similar ECG-enabled devices.

Cons:

• Customization requires technical expertise.
• Not specialized for single-purpose research.

5. GENEActiv

The GENEActiv is a compact device offering reliable performance for circadian rhythm and light exposure studies.

Key Features:

• Measures light exposure alongside 3-axis acceleration data.
• Compact, watch-like design for participant compliance.

Why Choose It:

• Available internationally.
• Designed for studies focusing on light exposure and activity monitoring.

Pros:

• Provides light exposure data, valuable for circadian rhythm studies.
• Sleek and lightweight design supports long-term use.

Cons:

• Relatively high cost compared to simpler devices.
• Does not include heart rate or HRV monitoring, as it is not intended for these purposes.

6. Condor Instruments ActTrust2

The ActTrust2 is designed for sleep and circadian rhythm research, focusing on light and temperature data.

• Key Features:
  • Measures light exposure, temperature, and movement.
  • Durable design for long-term studies.
• Why Choose It:
  • Available in the US through international distributors.
  • Excellent for research focusing on environmental influences on sleep.

Pros:

• Tracks light and temperature data comprehensively.
• Robust and durable for intensive studies.

Cons:

• Larger design may affect participant comfort.
• Higher cost compared to other devices.

Conclusion

If you’re looking to buy an actigraphy watch in the US, the Fibion Helix and Fibion SENS offer the best value for money, combining advanced features with affordability. While the ActiGraph LEAP provides a comprehensive sensor suite, its higher cost may make it less accessible. For studies requiring light exposure or circadian rhythm data, devices like GENEActiv and ActTrust2 are excellent choices but come at a premium.

Access our comprehensive comparison sheet with detailed pricing and features for all major actigraphy watches.

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Disclaimer

The brand names and product names mentioned in this article, including ActiGraph, Condor Instruments, and GENEActiv, along with their associated device models and software platforms, are trademarks of their respective owners. Our use of these names does not imply ownership, endorsement, or affiliation with these brands. This article is intended solely for informational purposes and provides an overview of these devices based on publicly available information.

We make no representations or warranties of any kind, express or implied, regarding the completeness, accuracy, reliability, suitability, or availability of the information provided herein about non-Fibion products. Specifications and features of these products are subject to change and may vary depending on product updates or other factors. For the most accurate and up-to-date specifications, please refer to the respective official websites of these brands. Any reliance you place on the information in this article is strictly at your own risk.

All trademarks and registered trademarks mentioned herein belong to their respective owners.