Sleep Diagnostics

Actiwatch Spectrum Plus

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The Actiwatch family of devices is designed to help you better understand a subject’s daily activity and sleep/wake patterns in response to drug or behavioral therapies. Each device is built to be rugged, comfortable, and waterproof.

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Advanced Sensing Capabilities || Full-featured

Advanced Sensing Capabilities

Actiwatch Spectrum Plus Wristwatch with advanced sensing capabilities Collect activity and sleep information along with multiple light measurements, event marker button entries and patient compliance over days, weeks and even months.
Valuable endpoints || Comfortable and convenient

Valuable endpoints for a variety of applications

Gather important outcome measures for pharma, academic research, and clinical applications. Collect up to nine different parameters (depending on model).
Data Collection || Full-featured

Data Collection

Actiwatch Spectrum Plus collects up to seven data channels simultaneously.
Scientifically-valid || Comfortable and convenient

Scientifically-valid technology from a leader in sleep

Validated against PSG gold standard for sleep measures1,2, 3 . Used in hundreds of studies in a variety of environments . Used on infants through the elderly.
Sleep/wake history || Full-featured

Sleep/wake history reliably tracks sleep

Compact, reliable devices that are easy to implement.. Small size, comfortable, and waterproof . Data is recorded 24/7 to help you obtain real-world insights into subjects’ sleep/wake patterns.

Specifications Show all

Battery Type
Lithium Ion rechargeable
Typical battery life
60 days
48 mm x 37 mm x 15 mm
Weight (with band)
31 g
Memory size
32 Mbits
Memory volatility
non volatile
Recording time
Recording time
60 days
Sensors and input specs
Accelerometer type
MEMS type accelerometer
Accelerometer sampling rate
32 Hz
Light sensor wavelength range
400 - 700 nm
Light measures
Photopic illuminanceIrradiancePhoton flux
Number of scoring items
Numerical score range
Score entry options
Environmental attributes
Moisture protection rating
*waterproof at 1m for 30 min per IPX7 IEC 60529
Operating system requirements
Computer OS compatibility
Actiware: Windows 8, 7, XP and Vista (32 and 64 bit), Actiware CT: Windows XP Professional; 32 and 64 bit versions of Windows 8 (Professional or Enterprise), 7 (Professional or Ultimate), and Vista (Business or Ultimate)
Computer hardware
UL 60950-1, IEC60950-1 or CSA C22.2#60950-1 certified IT equipment, 2 GHz or higher process clock speed, keyboard and mouse, USB port
USB compatibility
2.0 or greater