What employees are really feeling at work today (and why it’s affecting performance)

Inês Martins
Feb 22
5 min read

Updated: Feb 23

A question many HR leaders are asking

Across organisations, a recurring pattern is emerging.

People are still committed. Still ambitious. Still delivering. But something feels harder to sustain.

Energy drops earlier in the day. Focus requires more effort. Recovery takes longer. Even highly motivated employees report feeling persistently tired.

This is not limited to disengaged employees. In fact, it is increasingly observed in high performers, leaders, and knowledge workers. So the question is no longer: “Are people motivated?” But rather: “What are people actually feeling at work today — and why is sustainable performance becoming harder to maintain?”

The modern workforce is more engaged - yet more Fatigued

Recent workforce data shows a paradox.

Engagement and purpose-driven work have increased, especially among younger generations who actively seek meaning, impact, and growth in their roles. At the same time, reported fatigue, cognitive strain, and stress-related symptoms continue to rise globally.

Key indicators:

Over 60% of employees report persistent fatigue, poor sleep, or cognitive overload while still working and delivering (global workforce health data, 2024)
Presenteeism is now up to five times more prevalent than absenteeism in some markets (Intellect, 2025)
In the US alone, presenteeism costs employers over $150 billion annually in lost productivity (Goetzel et al., 2004)
A two-year workplace study found an 18% increase in presenteeism despite new wellbeing investments (Fruitful Insights, 2022)

This suggests a shift in how strain shows up at work. Not through absence. Through reduced internal capacity.

What people say vs What they actually feel

When HR teams run surveys, the language often sounds familiar:

“I’m tired, even after sleeping.” “I can’t focus like I used to.” “I feel mentally overloaded.” “I recover slower from intense periods.”

These are not complaints of lack of motivation. They are signals of strain.

Importantly, many employees still report:

high responsibility
strong work ethic
alignment with company mission
desire to perform well

Meaning and purpose are present. Yet sustainable performance remains difficult to maintain. This is a critical shift for organisations managing high-talent environments.

The Generational shift: Purpose alone is not enough

Millennials and Gen Z are often described as purpose-driven and values-oriented. Research confirms that younger generations place higher importance on meaningful work, flexibility, and wellbeing compared to previous workforce cohorts (Deloitte Global Human Capital Trends, 2023).

However, purpose does not eliminate physiological strain. Modern work environments now involve:

prolonged cognitive load
constant digital stimulation
back-to-back virtual communication
irregular recovery rhythms
blurred boundaries between work and rest

Even in mission-driven companies, these conditions create sustained pressure on the body. As a result, employees may feel fulfilled psychologically — but depleted physically. This distinction is often overlooked in traditional wellbeing models.

The hidden link: Why fatigue is becoming the core workplace signal

Fatigue is now one of the most commonly reported workplace health experiences. But fatigue is not just “feeling tired.” From a physiological perspective, fatigue can reflect cumulative strain across multiple biological systems:

sleep disruption
chronic stress activation
metabolic instability
digestive inefficiencies
low-grade inflammation
reduced nervous system recovery

Scientific literature shows that prolonged cognitive and emotional demands increase allostatic load — the cumulative biological burden of stress (McEwen, 1998). When this load remains unaddressed, the body does not suddenly fail. It adapts. And adaptation often looks like:

brain fog
lower mental clarity
emotional reactivity
physical tension
reduced resilience
slower decision-making

At work, this translates directly into performance outcomes.

How fatigue actually shows up in High-performing Teams

For organisations, fatigue rarely appears as a medical issue first. It appears operationally. Leaders may notice:

more effort required for the same output
slower strategic thinking
reduced creative capacity
increased errors under pressure
shorter attention spans in meetings
longer recovery after peak workload periods

This is the lived reality of presenteeism. Employees are present. But their cognitive and physiological capacity is reduced.

Research shows that sleep disruption alone significantly affects memory, attention, and executive function (Rasch & Born, 2013; Walker, 2017). Chronic stress physiology also alters immune, metabolic, and neurological function (McEwen, 1998).

These are not mindset limitations. They are biological ones.

A counterintuitive insight: sustainable performance is not only psychological

Most workplace wellbeing strategies focus on:

mental health support
resilience training
coaching and mindset
engagement and purpose

These are essential and should continue. However, emerging evidence suggests that sustainable performance is equally dependent on how well the body sustains energy under prolonged cognitive demand.

Modern intellectual work relies heavily on:

stable energy production
restorative sleep architecture
nervous system regulation
metabolic balance
effective recovery cycles

When these foundations are under strain, performance becomes harder to sustain — even in highly motivated and purpose-driven individuals.

This explains why organisations with strong culture and wellbeing initiatives can still experience rising fatigue and presenteeism.

Why this matters for HR and Executive Leadership

For HR, Wellbeing, and People leaders, this shift changes the strategic question. The challenge is no longer only engagement. It is sustained human capacity.

High-talent employees are not asking for less ambition. They are struggling with the biological cost of sustaining it. If left unaddressed, chronic fatigue is associated with:

increased burnout risk
higher long-term health costs
reduced retention of high performers
declining productivity despite presence (OECD, 2021)

Fatigue is often the earliest measurable signal before more serious health decline or chronic conditions emerge.

How Organisations can better support sustainable Performance

Supporting sustainable performance today requires expanding the definition of workplace health. Not replacing mental health strategies. But complementing them with biological support. This includes:

measuring fatigue and recovery alongside engagement
recognising physiological strain as a performance factor
integrating sleep, stress physiology, and recovery into wellbeing design
designing work rhythms that support cognitive recovery, not just output

Because sustainable performance is not maintained by motivation alone. It is maintained by how well the body can function under continuous demand.

The Strategic Opportunity: supporting the body to protect Talent Capacity

Organisations that understand this shift gain a competitive advantage. They move from reactive wellbeing to proactive capacity management.

A whole-body perspective on health recognises that:

energy is a biological variable
fatigue is an early performance signal
sustained cognitive work requires physiological support

For companies investing in high-talent, high-performance teams, this is no longer a peripheral wellbeing topic. It is a core business question. Because the future of performance will not depend only on how motivated people are - but on how well their health, energy, and recovery are supported in the reality of modern work.