Today, about 800,000 people They suffer from Alzheimer’s disease In Spain, it is the most common way of dementia, although 80 percent of the disease is estimated that there are even its small stage Without detecting. To date, the relationship between mental health and night sleep has been scientifically discovered, which gives many traces of the risk of some people Our brain -related diseases.
A new study of the University of California shows that (San Francisco, USA) may make us feel the potential sign of dementia and Alzheimer’s We are stunned when we wake upAlthough the desired hours are asleep: those who enter The REM phase of the dream Then they are more likely to create dementia in the future.
This is the relationship between the remr and the elderly forgetfulness of sleep
According to research at the University of California, participants who took more time to enter the sleep phase (Quick eye movements) To them a old age The risk of the formation of old age. Those who take too much time to enter the REM sleep stage may have an early sign of Alzheimer.
REM The last and deep in the four stages of sleep, As well as a phase of brain memories. Elderly people usually take more time to enter the REM phase of the dream, and participants with Alzheimer’s disease took more than twice as much (an average of 193 minutes before 90 minutes for cognitive healthy participants) Entry into REM.
Participants who have been late in the REM Dream showed high levels of amyide and Au proteins (16 and 29 percent respectively), which are common Alzheimer 90 minutes more than those who started dreaming in normal range. People in the latest Remo Decreased healthy protein in people with dementia.
Night rest and brain health
“Sleep delay changes the ability of the brain Integrate memories. If the REM dream is not enough or delayed Stress hormone (cortisol). This can damage the brain hippochambus, the basic structure for integrating memory. “
Cortisol peaks can cause sleep disorders, which can become an evil circle of dream delays. Also, other studies show that they help sleep well at night To avoid depression, this is one of the risk factors Dementia.
“Dementia can change the natural sleep-prophecy cycle of the brain, which is the ‘internal clock’ that you want to be awake and when to sleep,” says Dr. Meridith Poke, a neurologist and medical director of Remo Health. “When a person lives with dementia, chemistry and brain networks change.” The issue is worse Comedy changes and anxiety People can feel with dementia: these conditions can make it difficult for relaxation and sleep.
How to improve our sleep stages to avoid dementia?
Dr. Leng assumes that we can take some action Protect our brain health Strengthens the REM phase of sleep. “We can avoid alcohol at night that affects the sleep cycle; we check that we are not hard Lagoon It affects night breathing; Review the medication we take to our doctor and in some cases may intervene. “
Monitoring the thyroid is a good idea, as well as maintaining standard tables to relax. Conclusively May help some supplements (melanin, for example) To change that remote phase, it must always agree with the physician, but self -respect will cause the opposite of something we want.
Notes
Susane Le. ‘Late REM sleep may be the initial indication of Alzheimers’. University of California San Francisco. Advice online en en https://www.ucsf.edu/news/2025/01/429346/delayed-rem-leep-could-be-sign-alzheimers February 17, 2025.
