Sleeping more than an hour a day increases the risk of dementia in old age by 40%. Reported by the Chinese edition. Sinai With reference to the results of an experiment conducted by University of California employees.
For 14 years, scientists monitored sleep patterns and dynamics of cognitive abilities in 1401 volunteers. Daytime sleep duration increased with age in 75.7% of subjects without cognitive impairment – an average of 11 minutes per year. Six years after the start of the study, 24% of volunteers with normal cognitive abilities developed dementia. The researchers concluded that a major risk factor for dementia in healthy people is long and frequent daytime sleepiness.
Older people who slept more than an hour a day had a 40 percent higher risk of contracting the disease.
It is stated that sleeping for up to 20 minutes can help prolong the life of the brain, but if you sleep longer, the brain will need more time to recover.
Another poll before showed79% of Russians suffer from insomnia.