(Janice Wood/ PsychCentral) — Chronic insomnia disorder, which affects approximately 10 percent of adults, has a direct negative impact on the cognitive function of people 45 and over, according to a new study.
Chronic insomnia, one of the most common sleep disorders, is characterized by trouble falling asleep or staying asleep at least three nights a week for over three months with an impact on daytime functioning, such as mood, attention and daytime concentration.
“A number of studies have shown links between insomnia and cognitive problems,” said Dr. Thanh Dang-Vu, an associate professor at Concordia University and the university’s research chair in sleep, neuroimaging and cognitive health and a clinical associate professor in the Department of Neuroscience at Université de Montréal. (…)