Another study in middle-aged people stated that people who experience frequent nightmares are more likely to be diagnosed with dementia.

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New Delhi: When one goes to

When one goes to sleep , little does one realise how the sleep cycles and patterns and even dreams could be indicative of disease risk – and a new study has now found the answer to how the two could hint at dementia risk. According to several studies, sleep is key to weight management, blood pressure, cholesterol and blood sugar control along with lower risk of anxiety and depression as well. And now, even dreaming has joined the fray to be a sign of good health.

How are sleep habits linked with dementia risk?

According to sleep experts from Sweden and China, the time when older hit the hay and their sleep duration could hint at dementia risk – an umbrella term used for a group of conditions that affect brain’s functioning, memory problems, language and problem-solving abilities of a person. One of the most common forms of dementia is Alzheimer’s disease.

The study, which was published in the Journal of the American Geriatrics Society, dementia risk is 69 per cent higher in people who sleep for over eight hours. Furthermore, the odds are twice as high in twice who went to bed before 9pm as opposed to those who slept at 10pm or later.

For the study, experts followed the sleeping habits and dementia diagnosis among 2000 women and men for four years; however, they did not suggest why going to bed sooner and sleeping for longer was associated with dementia risk. Previous studies established an association between disrupted brain pathways that regulate sleep-wake cycles. This hinted at the need for monitoring cognitive function in older adults who reported spending too long in bed and had an advanced sleep time.

How do dreams hint at dementia risk?

Another study in middle-aged people stated that people who experience frequent nightmares are more likely to be diagnosed with dementia. Experts from the University of Birmingham revealed that bad dreams could become more frequent years and decades before cognitive decline begins. Published in the Lancet, experts revealed that middle-aged people from 35-64 who experienced nightmares on a weekly basis were four times more likely to go through cognitive decline over a decade.

Dr Abidemi Otaiku, from the University of Birmingham’s Centre for Human Brain Health, who carried out the new research, said: "This [study] is important because there are very few risk indicators for dementia that can be identified as early as middle age.

Disclaimer: Tips and suggestions mentioned in the article are for general information purposes only and should not be construed as professional medical advice. Always consult your doctor or a dietician before starting any fitness programme or making any changes to your diet.

via: Times Now.

Oneirology, the study of dreams began in 1953 with Aserinsky and Kleitman's discovery of REM sleep which was noticed due to “rapid, jerky and binocularly similar” eye movement.

Good dreams don't usually affect the quality of your sleep. When you get a good night's rest, you'll probably remember having peaceful dreams. Researchers don't know if pleasant dreams make you sleep better, or if having a good sleep makes your dreams peaceful.Jul 20, 2020

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