Difficulty sleeping at young age, memory loss in old age

People who have difficulty sleeping are at risk of memory-related problems when they turn into late age, according to the Daily Mail.

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Researchers from the University of Washington Medical School (USA) have tested the sleeping patterns of 100 people aged 45-80 without dementia. Half of these people have a family history of Alzheimer's disease.

Scientists recognize the duration and quality of sleep
Sleeping every night can affect memory in old age.

According to Dr Yo-El Ju, the lead researcher, intermittent sleep may be related to the formation of amyloid plaques , a sign of Alzheimer's disease, in the brains of people without memory problems.

A device was placed in the study subjects for 2 weeks to measure sleep, while their memoranda and answer sheets were thoroughly analyzed by researchers.

After the study, scientists found that 25% of participants showed signs of amyloid plaque formation, which may appear several years before symptoms of Alzheimer's disease begin.

The average time that each person in this study is in bed is about 8 hours, but the average sleep time is 6 1/2 hours because they wake up many times during the night.

Research shows that people who wake up more than 5 times per hour are more likely to form amyloid plaques than those who do not wake up as much.

Experts also found that people who sleep less well are at higher risk of developing early signs of Alzheimer's disease than those who sleep well.

In other words, people who spend less than 85% of their bed time sleeping are more likely to show signs of the disease than those who spend more than 85% of their time in bed on sleep.

According to Dr. Ju, more research is needed to determine why this is happening and whether sleep changes can predict the likelihood of cognitive impairment.