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This isn’t the first time that better sleep has been linked with a lower risk of dementia: A study published in October even found that people with sleep apnea are more likely to develop dementia.
As the disease progresses, the person becomes stuck in a state of pre-sleep limbo, or hypnagogia, which is the state just before sleep in healthy individuals. During these stages, people commonly and repeatedly move their limbs as if they were dreaming. [7] The age of onset is variable, ranging from 13 to 60 years, with an average of 50. [8]
The researchers studied 346 people who were age 69 on average and had participated in the Framingham Heart Study and completed two overnight sleep studies — one between 1995 to 1998 and the ...
Sleeping badly shown to age middle-aged brain by nearly three years and linked to poorer brain health years later
Over 40% of people with dementia report sleep problems. Approaches to treating these sleep problems include medications and non-pharmacological approaches. [226] The use of medications to alleviate sleep disturbances that people with dementia often experience has not been well researched, even for medications that are commonly prescribed. [227]
The third reason is the "memory self-efficacy," which indicates that older people do not have confidence in their own memory performances, leading to poor consequences. [17] It is known that patients with Alzheimer's disease and patients with semantic dementia both exhibit difficulty in tasks that involve picture naming and category fluency.
The researchers discovered that people aged 50 and up with obstructive sleep apnea had a higher chance—up to five percent higher—of being diagnosed with dementia in the future.
It's suggested that idiopathic insomnia is a neurochemical problem in a part of the brain that controls the sleep-wake cycle, resulting in either under-active sleep signals or over-active wake signals. Sleep state misperception is diagnosed when people get enough sleep but inaccurately perceive that their sleep is insufficient. [128]
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