Named an early but not obvious sign of dementia

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Increasing daytime sleepiness can be an early sign of dementia.< /p>

Experts emphasize that the increase in the duration of daytime sleep in the elderly is associated with an increase in the chances of developing Alzheimer's disease.

During the study, scientists found that those who slept during the day more than an hour, the risk of developing dementia was 40% higher than in those who slept less than an hour.

In study participants without cognitive impairment, daily daytime sleep increased by a total of 11 minutes. per year In volunteers with moderate cognitive impairment, according to experts, the rate of increase in sleep duration doubled and reached 24 minutes.

At the same time, at the moment when the patient was diagnosed with Alzheimer's disease, the rate of increase almost tripled, growing to 68 min.

Scientists believe that excessively long daytime sleep can be the cause and the first alarming sign of the decline of mental abilities.