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Scientists say they have nailed down the ideal amount of sleep in middle and old age

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Scientists say they have nailed down the ideal amount of sleep in middle and old age

New analysis has discovered that round seven hours of sleep is the perfect night time’s relaxation, with inadequate and extreme sleep related to a diminished skill to concentrate, keep in mind and study new issues, remedy issues and make selections.

Seven hours of slumber was additionally discovered to be linked with higher psychological well being, with individuals experiencing extra signs of hysteria and melancholy and worse total well-being in the event that they reported sleeping for longer or shorter stints.

“Whereas we will not say conclusively that too little or an excessive amount of sleep causes cognitive issues, our evaluation taking a look at people over an extended time frame seems to help this concept,”Jianfeng Feng, a professor at China’s Fudan College and an writer of the examine revealed within the scientific journal Nature Getting old, stated in a press release.

“However the the explanation why older individuals have poorer sleep look like complicated, influenced by a mixture of our genetic make-up and the construction of our brains.”

Researchers from China and the UK analyzed knowledge from virtually 500,000 adults ages 38 to 73 who had been a part of the UK Biobank — a long-term, government-backed well being examine. Members had been requested about their sleep patterns, psychological well being and well-being, and took half in a sequence of cognitive checks. Mind imaging and genetic knowledge had been out there for nearly 40,000 of the examine contributors.

Different analysis has discovered that older adults who’ve vital problem falling asleep and who expertise frequent night time awakenings are at excessive threat for growing dementia or dying early from any trigger, whereas sleeping fewer than six hours an evening has been linked to heart problems.

One motive for the hyperlink between too little sleep and cognitive decline may very well be due to disruption of deep sleep, which is when the mind repairs the physique from the day’s put on and tear and consolidates recollections. Too little sleep can be related to the buildup of amyloid, a key protein that may trigger tangles within the mind that characterize some type of dementia. The examine additionally stated it is potential a protracted sleep length stems from poor high quality, fragmented sleep.

Dr. Raj Dasgupta, spokesperson for the American Academy of Sleep Drugs and assistant professor of scientific drugs on the Keck Faculty of Drugs on the College of Southern California, stated that longer sleep durations had been related to cognitive issues however it wasn’t solely clear why.

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How our ancestors used to sleep can help the sleep-deprived today

“This units a mark for future analysis and the seek for therapy,” stated Dasgupta, who wasn’t concerned within the analysis. “Sleep is important as we grow old, and we want simply as a lot as youthful individuals, however it’s more durable to come back by.”

The examine had some limitations — it solely assessed how lengthy the contributors slept in complete and never some other measure of sleep high quality similar to waking in the course of the night time. What’s extra, contributors reported their quantity of sleep so it was not objectively measured. Nonetheless, the authors stated the big variety of individuals concerned within the examine meant its conclusions had been probably sturdy.

The authors stated their findings instructed it was essential that sleep, ideally of round seven hours, ought to be constant.

The examine confirmed a hyperlink between an excessive amount of and too little sleep and cognitive issues, not trigger and impact, cautioned Russell Foster, a professor on the College of Oxford and director of the Sir Jules Thorn Sleep and Circadian Neuroscience Institute, who wasn’t concerned within the analysis. He stated that the examine had not taken people’ well being standing into consideration and that quick or lengthy sleep could also be a sign of underlying well being situations with cognitive points.

He additionally stated that taking the common of seven hours as the perfect quantity of sleep “ignores the truth that there’s appreciable particular person variation in sleep length” and high quality. Much less or extra sleep could also be completely wholesome for some people, he stated.

The best alarm clocks of 2021 (Courtesy CNN Underscored)

“We’re often informed that the ‘best’ night time of sleep within the aged ought to be seven hours of uninterrupted slumber. This perception is fallacious in so some ways. Sleep is like shoe dimension; one dimension doesn’t match all, and by classifying ‘good sleep’ on this manner could cause confusion and anxiousness for a lot of,” stated Foster, writer of the upcoming guide “Life Time: The New Science of the Physique Clock, and How It Can Revolutionize Your Sleep and Well being.”

“How lengthy we sleep, our most well-liked sleep instances and what number of instances we wake in the course of the night time varies vastly between people and as we age. Sleep is dynamic, and all of us have totally different sleep patterns, and the important thing factor is to evaluate what our particular person wants are.”

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Dozens feared dead as Azerbaijan Airlines plane crashes in Kazakhstan

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Dozens feared dead as Azerbaijan Airlines plane crashes in Kazakhstan

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An Azerbaijan Airlines plane carrying 62 passengers and five crew has crashed while making an emergency landing at a Kazakhstan airport, with 29 survivors, including two children, taken to hospital.

Videos on local media showed a large explosion after the aircraft crashed into an empty field. Images from the scene showed passengers climbing out of the tail of the fuselage aided by emergency workers.

Those aboard were from Azerbaijan, Russia, Kazakhstan and Kyrgyzstan, Russian state Ria news agency reported, citing Kazakhstan’s transport ministry.

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Local media outlets reported that nine of those taken to hospital were in serious condition and that search and rescue operations were under way.

The plane, an Embraer 190, was travelling to Grozny in the southern Russian republic of Chechnya from Azerbaijan’s capital Baku, but was diverted to Aktau after flying into heavy fog.

Early media reports suggested that the plane hit a flock of birds, which affected control of the aircraft.

“After a collision with birds, due to an emergency situation on board the aircraft, its commander decided to go to an alternate airfield and Aktau was chosen,” Ria reported, citing Russia’s aviation agency Rosaviatsia. Local media also shared unconfirmed reports of an explosion of an oxygen canister onboard, leading many passengers to lose consciousness.

Baku has sent an official delegation to Kazakhstan to investigate the incident, Azerbaijan’s APA news agency said. The country’s president, Ilham Aliyev, left an informal summit of the Commonwealth of Independent States in Russia to return to Baku. He expressed his condolences to the those affected by the crash.

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Kremlin spokesperson Dmitry Peskov said Russian President Vladimir Putin had also extended his condolences to Azerbaijan’s leader.

Chechnya’s leader Ramzan Kadyrov expressed his condolences to the relatives of the deceased on social media. “We pray to the Almighty for [the survivors’] recovery.”

Photos on social media showed relatives gathering in Grozny airport to wait for news of their loved ones.

One man at Grozny airport said he had just received a video in which he could see his nephew had survived the crash. “Of course I am very happy,” he told a Ria news reporter.

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NYC cab jumps curb, injures 7 on Christmas Day

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NYC cab jumps curb, injures 7 on Christmas Day

STORY: :: A New York taxi jumping the sidewalk

injures 7 people on Christmas Day

:: Police said the incident happened after

the cab driver suffered a medical episode

:: December 25, 2024

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:: New York

The incident took place in Midtown Manhattan near Macy’s flagship store in Herald Square near the corner of West 34th Street and Avenue of the Americas, or Sixth Avenue. The store, with its elaborately decorated display windows, is a magnet for tourists and native New Yorkers around the holidays.

In addition to the 58-year-old taxi driver, the injured included a 9-year-old boy, two women aged 49 and four other women aged 19, 37 and 41, police added.

One 49-year-old woman with a leg injury, the 9-year-old boy who suffered a cut and the 41-year-old woman who sustained an injury to her head were taken to hospital, police said.

The remaining three pedestrians declined medical attention, according to police, which added that all injuries were non-life-threatening.

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Media images of the cab showed a heavily damaged vehicle with broken parts and dents all over it.

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Russia launches Christmas Day attack on Ukraine’s energy system

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Russia launches Christmas Day attack on Ukraine’s energy system

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Russia has carried out a Christmas Day attack on Ukraine’s energy system, leaving more than half a million people without heating, water and electricity. 

Ukrainian President Volodymyr Zelenskyy said the attack, the 13th large-scale assault of 2024 on the country’s grid, was “deliberate” and not a coincidence. “What could be more inhuman?” he wrote on X.

About 50 of the 70 missiles fired in the attack were intercepted, along with a “significant” portion of the more than 100 attack drones deployed, he added.

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This year Ukrainians marked Christmas Day on December 25 for the second time, after switching to the western Gregorian calendar last year. The decision to stop celebrating Christmas on January 7 in line with the Orthodox calendar was made by Kyiv to break with Russian influence.

Oleh Syniehubov, governor of Ukraine’s eastern Kharkiv region, told Ukraine’s national television news that the attack had left more than 500,000 people without heating, water and electricity.

Temperatures across Ukraine are around freezing point.

Heating supplies were also cut in some areas of Ukraine’s Ivano-Frankivsk and Dnipropetrovsk regions, in the west and south of the country. 

Ukraine’s energy grid operator, Ukrenergo, urged consumers to limit consumption by not switching on multiple appliances at once, adding that the system was still recovering from the previous Russian attack on December 13.

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Ukraine’s largest private energy company, DTEK, said that its power stations had been damaged and one of its long-term employees killed.

Ukraine’s foreign minister, Andriy Sybiha, said on X that the attack reflects Russian President Vladimir Putin’s response to “those who spoke about illusionary ‘Christmas ceasefire’”.

Hungarian Prime Minister Viktor Orbán said last week that Zelenskyy had rejected his proposal for a ceasefire and prisoner exchange on the January 7 Orthodox Christmas.

Ukraine denied that such a proposal was ever on the table, asking Hungary to “refrain from manipulations” regarding the war. On Friday, Heorhii Tykhyi, spokesperson for Ukraine’s foreign ministry, described it as “PR, a move” by Orbán.

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