While many individuals accept that disrupted sleeping patterns caused by growing older are just a “part of life” or the “normal process of aging”, newer research is showing that disruptions in sleep for those over fifty years old are not solely a product of their advancing age. Instead, there appears to be a relationship between work related-stress and sleep disruption. A recent study from the University of Edinburgh was able to provide further insight into this. Researchers determined that merely tracking the amount of time an individual spends sleeping does not capture the full extent of what one might call “sleep”. Rather, researchers indicated that quality of sleep (i.e., whether the sleep is continuous and restful) should be considered when assessing the total impact of sleep.

Overview of the Research

This research was conducted under the ‘Supporting Healthy Ageing at Work’ (SHAW) project, led by the University of Edinburgh Business School with collaboration from the university’s Usher Institute.

The study involved 45 employees aged 50 to 66 from diverse sectors and professions, who were monitored continuously over the course of a year.

Researchers did not rely solely on questionnaires but gathered data from two distinct sources. Participants regularly completed questionnaires regarding their health, mental state, and work—totaling over 1,900 responses. Additionally, they wore devices such as smartwatches, which recorded sleep data spanning more than 5,200 days throughout the year.

Artificial Intelligence (AI) and advanced computer technology were used to analyze such a vast amount of information, revealing trends that might not have been apparent in short-term research.

Key Findings

The study’s findings were quite surprising, given that none of the participants had a prior diagnosis of a sleep disorder.

The study revealed that:

• Approximately 70 percent of the individuals suffered from persistent, severe sleep problems throughout the year.
• About 92 percent of the participants experienced, at least once, a state where they exhibited clinical symptoms of a sleep disorder.
• Around 90 percent of the individuals had compromised sleep, even though they were sleeping 6.5 to 8 hours daily—a duration generally considered adequate.

Why Sleep Quality Matters More Than Sleep Duration

Most people believe that getting seven or eight hours of sleep ensures good health. However, this research indicates that simply counting the hours of sleep is not enough.

Many participants remained in bed for the designated duration, yet their sleep was frequently interrupted. Some individuals woke up multiple times during the night, while others struggled to fall back asleep easily. Consequently, they did not feel refreshed upon waking in the morning.

In other words, if a person spends eight hours in bed but their sleep is repeatedly disrupted, neither the body nor the mind receives complete rest.

That is why experts suggest that instead of merely asking, “How many hours did you sleep?” it is also crucial to determine, “How often was your sleep interrupted, and what was the cause?”

How Workplace Stress Affects Sleep

The research also revealed that work-related stress directly affects sleep quality.

Employees who reported a good work-life balance and job satisfaction also enjoyed better overall health and mental well-being.

Conversely, individuals who experienced anxiety, frustration, irritability, or stress at work suffered from poorer sleep and compromised general health.

According to experts, chronic mental stress keeps the body in a constant state of tension, preventing the mind from settling down even at night. Overthinking, physical tightness, and stress hormones hinder both falling asleep and maintaining continuous sleep.

This issue can be further exacerbated for individuals over the age of 50, as health concerns, household responsibilities, and anxieties regarding retirement can all contribute to increased mental stress.

Practical Tips for Improving Sleep

Although research identifies work-related stress as a significant factor, sleep quality can be improved by adopting certain habits.

• Try to go to bed and wake up at roughly the same time every day, even on days off.
• Limit the use of mobile phones, laptops, or other screens for an hour or two before bedtime.
• To reduce work-related stress, take adequate breaks, discuss your responsibilities with your manager, and establish clear boundaries between work and personal life.
• Engaging in daily light to moderate physical activity, such as walking, helps improve sleep quality.
• Avoid consuming caffeinated tea, coffee, or energy drinks in the evening or at night.
• If sleep problems persist despite trying home remedies, be sure to consult a doctor, as this could sometimes be a symptom of a treatable medical condition.

Ultimately, this research conveys an important message: for good health, simply sleeping for a long duration is not enough; achieving restful, deep, and uninterrupted sleep is far more important. For employees over the age of 50, in particular, quality sleep is crucial not only for health but also for daily performance and overall quality of life.