Subjects ” sleep disorders
HealthDay News – Very short sleep lengths and poor sleep increase the risk of dementia and early death in the elderly, according to a study published online Feb. 11 in Aging.
Rebecca Robbins of Brigham and Women’s Hospital in Boston and colleagues used data from the National Health and Aging Trends Study (2,812 Medicare beneficiaries ≥ 65 years of age) to assess the relationship between baseline sleep disorder and duration and all-cause mortality during five years of follow-up .
The researchers found that the duration of sleep is very short (no more than five hours: hazard ratio) [HR], 2.04) and sleep latency (> 30 minutes: HR, 1.45) were associated with incident dementia in adapted models. There were also associations for all-cause mortality and difficulty in maintaining vigilance (“some days”: HR, 1.49; “most / every day”: HR, 1.65), napping (“some days” : HR, 1.38; “most / every day”: HR, 1.73), sleep quality (“bad / very bad”: HR, 1.75) and very short sleep duration (no more than five hours: HR, 2.38).
“Treating insomnia and sleep deprivation may have positive effects on dementia risk and all-cause mortality in older adults,” the authors write.
Several authors have disclosed financial ties to the pharmaceutical and biotechnology industries.
Abstract / full text
Subjects:
Dementia sleep disorders
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