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American Focus > Blog > Tech and Science > Nightmares linked to faster biological ageing and early death
Tech and Science

Nightmares linked to faster biological ageing and early death

Last updated: June 22, 2025 8:15 pm
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Nightmares linked to faster biological ageing and early death
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Nightmares are not just a spooky inconvenience – they could actually be affecting our health in ways we never imagined. A recent study conducted by Abidemi Otaiku and his team at Imperial College London has found a concerning link between frequent nightmares and accelerated ageing, as well as an increased risk of early death.

The study, which involved over 183,000 adults ranging from 26 to 86 years old, revealed that individuals who reported experiencing nightmares on a weekly basis were over three times more likely to die before the age of 70 compared to those who rarely or never had nightmares. This association between nightmare frequency and premature death was found to be even more significant than other well-known health risk factors such as smoking, obesity, poor diet, or lack of physical activity.

To further explore the impact of nightmares on ageing, the researchers also looked at the participants’ biological age by measuring the length of their telomeres – small DNA sequences at the end of chromosomes that shorten with each cell division and are associated with premature ageing when they become shorter. The study also included data from children aged 8 to 10, whose nightmare frequency was reported by their parents.

The results were clear – individuals with frequent nightmares showed signs of accelerated biological ageing across all ages, genders, and ethnicities. This phenomenon was attributed to two main factors: the prolonged elevation of stress hormone cortisol triggered by nightmares and disrupted sleep patterns that interfere with the body’s overnight cellular repair processes. Both of these factors have been linked to faster cellular ageing and an increased risk of various medical conditions.

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So, what can we do to prevent nightmares and potentially mitigate their detrimental effects on our health? Otaiku suggests avoiding triggers such as watching scary movies and seeking treatment for underlying mental health conditions like anxiety. By addressing these factors, we may be able to improve our sleep quality and reduce the risk of experiencing frequent nightmares.

While these findings are certainly intriguing, more research is needed to establish a definitive causal link between nightmares and premature ageing. Nightmares can be associated with a range of medical conditions and medications that individuals may have as they age, which could potentially confound the results. Nevertheless, the study sheds light on the importance of understanding the impact of nightmares on our overall health and underscores the need for further investigation in this area.

TAGGED:ageingBiologicaldeathearlyfasterLinkedNightmares
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