Updated posts 2026
In the relentless world of work, irregular hours and night shifts have become the norm for many individuals, but the toll on health and well-being cannot be underestimated. According to WHOOP’s chief scientist, this form of work schedule might just be shaving off 15 precious years of life while significantly amplifying the risk of depression and suicide.
Dr. Holmes, the principal scientist at WHOOP, emphasized the criticality of maintaining regular sleep patterns, stressing the importance of consistent sleep and wake times. However, a substantial portion of the workforce doesn’t have the luxury of adhering to such routines.
Defined by WHOOP, anyone awake for more than two hours between 10 PM and 4 AM is classified as a shift worker. This category encompasses between 15% to 20% of the workforce in developed countries, according to a 2022 study.
The alarming declaration from Dr. Holmes highlighted the severe sacrifice of those working during the biological night, stating that, on average, they could face an early demise by 15 years. While the specific source of this statistic was not explicitly mentioned, the World Health Organization has echoed concerns regarding night shift work, categorizing it as a potential carcinogen due to evidence of increased cancer risks in humans and animals.
That fifteen-year figure deserves scepticism, and the article is right to note that no source was given for it. Published research on shift work and mortality generally finds elevated risk on the order of a few percentage points, not a reduction in life expectancy approaching that of heavy smoking. The studies also struggle to separate the shift schedule itself from the things that accompany it — lower incomes, more physically demanding work, less access to healthcare. The health risks are real and well documented; a number of that magnitude is not supported by the literature and is likely to frighten people for whom night work is not a choice.
Addressing these risks forms a substantial part of WHOOP’s research agenda, with Dr. Holmes emphasizing the quest to counteract the repercussions of being active during the biological night. Strategies under exploration involve dietary considerations such as protein intake timing and optimizing exposure to light to minimize disruptions to circadian rhythms.
The implications of these findings are massive, particularly for the millions of shift workers globally, including healthcare professionals, police officers, and firefighters in the United States alone. However, despite efforts, the challenge of mitigating the impact of disrupted circadian rhythms remains daunting due to staffing limitations and the inherent complexities of altering schedules in critical services.
Beyond physical health concerns, mental health issues among shift workers present a worrisome picture. Research indicates a higher prevalence of emotional challenges, depression, and anxiety among female shift workers, while male counterparts face a greater risk of suicidal thoughts.
Dr. Holmes expressed alarm over the unpredictability in the sleep-wake patterns of shift workers, citing how the variability could lead to severe psychological and physiological consequences. This unpredictability, she emphasized, contributes significantly to the vulnerability of these individuals to mental health issues.
The gravity of these findings has prompted Dr. Holmes to stress the urgency of tailored approaches and interventions for shift workers. She underscores the need for specialized suicide prevention strategies and comprehensive mental health support tailored to the unique challenges posed by irregular work hours.
In light of these revelations, it’s crucial to recognize the mental and physical toll of shift work and prioritize interventions that safeguard the well-being of those navigating these demanding schedules.
If you or someone you know is struggling, support is available. In the US, the 988 Suicide and Crisis Lifeline can be reached by calling or texting 988. Helplines operate in most countries and can be found through the International Association for Suicide Prevention.
Also read: A Comfortable Night’s Sleep is a Basic Necessity for your Health and Well Being
