Poor sleep patterns could point to a higher dementia risk

Embargoed until: Publicly released: 2026-05-19 01:00

International

Photo by Isabella Fischer on Unsplash

Pool levels of daytime activity, poor sleep, and earlier waking time could indicate people at higher risk of dementia, according to an international study. The researchers looked at nine measures of people's sleep and waking activity and found measures that suggest less activity during the daytime, poorer sleep at night, and earlier waking up times were linked to a higher dementia risk.

Attachments

Note: Not all attachments are visible to the general public. Research URLs will go live after the embargo ends.

Research JAMA, Web page Please link to the article in online versions of your report (the URL will go live after the embargo ends).

Journal/
conference: JAMA Neurology

Research:Paper

Organisation/s: Université Paris Cité, France

Funder: This research was supported in part by the UK Biobank Resource under application number 96856; grants R01AG056477 and R01AG062553 from the National Institute on Aging and National Institutes of Health (the Whitehall II study; Dr Kivimäki); grants R024227 and S011676 from UK Medical Research Council; grant 221854/Z/ 20/Z fromWellcome Trust; grant 360426 from the Research Council of Finland (Dr Kivimäki); ERC grant number 101043884 from the European Union (Drs Cavaillès, Danilevicz, and Sabia); the Fondation Alzheimer and the Fondation Vaincre Alzheimer (Dr Sabia); France 2030 ANR-23-PAVH-0006 (Dr Singh-Manoux). Study data were provided by patients and collected by the UK National Health Service as part of their care and support

Media Contact/s

Contact details are only visible to registered journalists.