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Singapore Researcher Highlights ActLumus in Study on Light Exposure and Myopia

Discover how NUS researchers use ActLumus wearable light sensors in the LightSPAN Project to investigate light exposure and myopia progression
Replace Legacy Actiwatch Systems - Infograph

Replace Legacy Actiwatch Systems – Infograph

This Condor Instruments infographic highlights key considerations for transitioning from Actiwatch devices, including preserving historical data, documenting workflows, validating conversions,

person using phone in bed

Comparative Analysis of Clinical Actigraphy Systems and Consumer Fitness Wearables

Clinical studies need repeatable measurements, transparent methods, and outputs across participants and time. Therefore, clinical actigraphy versus consumer wearables is not

person sleeping during monitoring

Physiological Sleep Parameters Captured by Wrist Actigraphy Devices in Clinical Practice

Clinical teams need objective information on sleep timing and rest-activity patterns across multiple days, rather than relying on results from

actigraph and sleep diary

Actigraphy Versus Sleep Diaries in Clinical and Longitudinal Research

Actigraphy versus sleep diary is not a contest between an objective method and a subjective one. The two approaches answer different

Researcher reviewing wearable actigraphy devices and study materials in a sleep laboratory.

The Post-Actiwatch Research Landscape: How Sleep Laboratories Can Future-Proof Actigraphy Data Collection

Sleep laboratories depend on consistent data collection to maintain reliable research protocols, especially when studies span months or years. When

a light exposure data visualization

The Hidden Variable in Sleep Studies: Why Light Exposure Belongs in the Actigraphy Dataset

Movement tells you when a participant slept. It does not tell you why the timing sat where it did, and

Research participant wearing a wrist actigraphy device

What Happens When a Research-Grade Actigraph Becomes Part of a Multimodal Sleep Study?

Sleep research increasingly depends on understanding what happens across ordinary days and nights rather than relying exclusively on isolated laboratory

two replacement monitoring devices

After Philips Actiwatch: What Sleep Research Teams Should Look for in a Replacement Actigraph

Philips ended sales of the Actiwatch line after December 2022, and support has wound down in the years since. Searching

a wrist device worn overnight

Why Wrist Position Matters When Collecting Free-Living Light and Activity Data

The same participant, the same day, two wrists, two datasets. Wrist actigraphy is often treated as a fixed measurement, but

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