Cognitive Decline And Poor Sleep In Older Men Are Linked

By on April 1, 2014

A new study has found that poor sleep quality in older men for 3 to 4 years can result into decline in cognitive functioning. This study was conducted by Terri Blackwell, MA, senior statistician at the California Pacific Medical Center Research Institute (CPMCRI) in San Francisco, California.

Reports of the study shows that 40% to 50% of decline in cognitive functioning is observed with disrupted sleep and poor sleep efficiency. This decline in cognitive functioning due to sleep is similar to decline in cognitive functioning with 5 years of aging. On the contrary, this study does not relate this decline to the duration of the sleep.

Cognitive Decline And Poor Sleep Quality in Older MenTerri Blackwell, the lead of this study said that this cognitive decline is related to quality of the sleep, but not to the quantity of sleep.

He also said that with the increase of cognitive impairment and sleep problems in older people, there is need to study about the link between the cognitive decline and poor sleep quality.

President Dr. M. Safwan Badr, President of American Academy of Sleep Medicine in accordance to this study that sleep, which helps in maintaining our health is very much needed for proper cognitive functioning of our body.

For this study, 2,822 older men of an average age of 76 years, taken from 6 different clinical centers of American were involved. Study was conducted by taking 5 day’s sleep data of each participant. This data was collected with the help of wrist actigraph.

For assessing the cognitive functioning of these older men, their decision making ability, planning ability, trouble-shooting ability, and abstract thinking were taken into account.

The researchers reported that there is link between cognitive decline and poor sleep quality, but the underlying mechanism behind this link is still unknown. Thus, they suggested for in depth study on this link.

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