I will suggest Actiwatch 2 (AW2) manufactured by Philips Respironics. However, there are others as well.
The Actigraph is the gold standard. It was used to validate the Cole-Kripke algorithm.
Dear James,
Thanks for your suggestion. AW2 is also an Actigraph. Can you tell us about the manufacturer of the 'Actigraph?'
We use the Philips Respironics Actiwatch (Spectrum). They are very sturdy and easy to use (both for the participant and for downloading/analyzing data). It can collect daily wrist activity and RGB light spectrum intensity, and has built-in algorithms to detect TST, TIB, wake time, etc.
Hello , ' our lab use the Philips Respironics Actiwatch II. I don't know if they are the best but I can say tha the actigraph and the software are very good for clinical and research.
It depends heavily on what you need in your actigraphy. For instance, we are preparing a protocol where we want to record actigraphy for a longer period (>month), so we went for the MotionWatch 8 from CamNTech, because it can measure for a long time and battery replacement is easy. The Actiwatch2 is a good one as well, but it records a shorter amount of time and charging the battery can take some time (my experience is around 5-6 hours after using it for 2 weeks with 1 minute epochs + light).
So what do you want to use it for?
Hi stefan, we use the actigraph up to one month in 1 min epoch and it's work ok. It's good for clinical and reaearch. The The question is for what type of use you need the actigraph.
The Spectrum version measures light. We've had people wear them for weeks and months at a time. We don't charge the batteries - they are usually good for 1 year and then you need to have them serviced to replace the battery. It will give you indicators when the battery is low when you connect it to a docking station. Once it gets below 1 month, it can start to act up (for example - the face time is off from real time, but the data collection is not impacted).
We've also been using the MotionWatch 8 (CamNTech), which allows for long term actigraphy as well as measurement of light exposure (though this depends greatly on whether the sensor is uncovered).
You can have a look at the devices from movisens (www.movisens.com). These devices are tested in different studies in our institute.
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