Circadian

fatigue risk management, shift scheduling, sleep education

software data

2 Main Street Suite 340 Stoneham MA 02180 USA·Founded 1983

01Overview 02People 03Projects 04Concepts 05Patents 06Public records 07Belief evolution

Plate C · C-MMEV

Projects

Fatigue Risk Management Solutions

undisclosed

platform · high · Thu Jan 01 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

Help 24/7 operations manage workforce fatigue risk, productivity, health, and safety through fatigue risk management systems.

Consulting and technology solutions, risk assessment tools, employee training, scheduling practices, and implementation guidance for fatigue risk management in shift-work operations.

2026 company blog discussed why fatigue risk management solutions can fail in practice.

Circadian Light

undisclosed

consumer product · medium · Tue Jul 11 2017 00:00:00 GMT+0000 (Coordinated Universal Time)

Reduce circadian disruption from LED light exposure at night by removing blue light, with potential relevance to obesity and diabetes risk.

Circadian-modulated lighting technology developed through ZircLight/Circadian Light, involving LED light spectrum modification and intelligent sensor-enabled lighting concepts.

2017 release described removing blue from LED light at night; 2014 release described CIRCADIAN acquiring a controlling stake in ZircLight with a Series A investment led by ams AG.

Supplied release excerpt states removing blue from LED light at night may reduce obesity and diabetes risk, but no clinical results are provided.

Fatigued Nurses Risk Assessment and Defenses Program

undisclosed

research program · medium

Assess fatigue risk in nurses and define defenses for healthcare shift-work fatigue.

White paper-based risk assessment and implementation framework for fatigue defenses in nursing operations.

Company white paper listed on fatigue risk in nurses.

Schedule Risk Analyzer

undisclosed

platform · medium

Analyze shift schedules for fatigue and operational risk in 24/7 workforce settings.

Risk assessment software/tool for schedule and fatigue-risk analysis.

Identified in supplied site analysis as a Circadian disambiguation keyword and risk assessment tool context.

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0-100 chain-logic scale · 15 dimensions · scored on public evidence