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I KEEP HAVING NIGHTMARES. SHOULD I BE WORRIED?
BBC Science Focus
|September 2025
Most of us have the odd bad dream. But if you're regularly waking in a cold sweat, you might be wondering: is it just stress, or something more serious?
Some recent research has made headlines by linking frequent nightmares to an increased risk of dementia. A 2022 study published in The Lancet eClinicalMedicine found that people in midlife who reported weekly bad dreams were more likely to experience cognitive decline. Older adults with frequent nightmares were also more likely to go on to develop dementia.
Cette histoire est tirée de l'édition September 2025 de BBC Science Focus.
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