Why German Workers Are Taking More Sick Days for Mental Health — and How Companies Are Fighting Back

In the rural district of Euskirchen, 1,500 employees from more than 50 companies have been competing since May to log the most movement time via a smartphone app. The initiative, costing just €36 per worker, aims to hit the World Health Organization's weekly target of 2.5 hours of moderate exercise — a push that comes as new national health data reveals a dramatic shift in why Germans are calling in sick.

The DAK-Gesundheit health insurer's analysis for the first half of 2026 shows that overall sick-leave rates have actually dropped — from 5.4 percent to 5.3 percent, with the average sick note lasting 9.6 days. But behind that slight improvement lies a stark change: mental illnesses have surged 9 percent, overtaking respiratory diseases as the leading cause of workplace absence. For every 100 insured employees, there are now 184 days lost to psychological conditions.

The same pressures driving mental health absences in Germany are reshaping UK workplaces too. Employers who fail to document their health and safety obligations properly leave themselves exposed to costly claims and enforcement action. A free toolkit provides ready-to-use risk assessments and compliance checklists aligned with UK law. Download the free Health & Safety Toolkit

Sitting Nine Hours a Day Has Consequences

A major driver, according to the DKV-Report, is the amount of time German professionals spend seated — an average of nine hours per workday. Researchers at the University of Glasgow, analyzing data from more than 90,000 participants, found that prolonged sitting significantly raises the risk of cancer.

Yet small adjustments can make a difference. Experts recommend changing position every 30 to 60 minutes. Walking during phone calls and taking stairs instead of elevators are easy ways to break up sedentary periods.

The 10,000-Step Myth and New Benchmarks

The long-touted goal of 10,000 steps per day is outdated. A 2024 study in the British Journal of Sports Medicine showed that just 2,200 daily steps lower the risk of cardiovascular disease. A meta-analysis from 2025, supported by Lancet data, puts the threshold for protection against dementia, cancer and diabetes at 7,000 steps.

Even more striking: research published in Nature Medicine in July 2026 found positive Alzheimer-prevention effects starting at 3,000 steps a day.

Economic Incentives for Prevention

The WHO underscored in its July 2026 guidelines that roughly 45 percent of all dementia cases could be prevented through lifestyle changes. With global case numbers rising and costs exceeding €1 trillion, employers have a growing financial interest in prevention.

For those over 40, experts recommend adding 40 to 60 minutes of strength training per week to aerobic exercise, as it helps stave off frailty and cognitive decline.

Building a healthier workforce also means getting the legal foundations right. UK employers have a duty of care under the Health & Safety at Work Act — and many are unknowingly falling short. A free toolkit with nine practical tools, including risk assessments and director liability guides, helps you stay compliant. Get the free Health & Safety at Work Act Toolkit

Chronobiology and the Rigid Workday

Beyond movement, researchers are focusing on circadian rhythms. Fixed core hours between 9 a.m. and 5 p.m. often clash with individuals' biological clocks. Aligning work schedules with inner body rhythms could boost productivity and lower psychological strain, according to experts.

Meanwhile, policymakers are debating stricter rules — such as requiring a doctor's note from the first day of absence or abolishing telephone sick notes entirely. But the health data suggests the real answer lies in prevention, particularly for the mental and movement-related conditions now reshaping Germany's sick-leave landscape.

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