Disturbing dreams and dementia risk across diverse populations
Psychiatry and Clinical Neurosciences May 7, 2026 Abidemi Otaiku
While the relationship between bad dreams, nightmares, and brain health is a relatively new area of research, the evidence to date has been remarkably consistent. Across a range of studies, including both cross-sectional and longitudinal designs, the emerging pattern is clear: more frequent disturbing dreams (bad dreams or nightmares) are linked with poorer cognitive performance and a higher...