“But the reasons why older people have poorer sleep appear to be complex, influenced by a combination of our genetic makeup and the structure of our brains.” “While we can’t say conclusively that too little or too much sleep causes cognitive problems, our analysis looking at individuals over a long period of time appears to support this idea,” Jianfeng Feng, M.Sc and Ph.D., a corresponding author of the study and a professor from Fudan University in China said in a statement. Researchers analyzed genetic factors, cognitive abilities, brain structure, and mental health to determine the ideal sleep duration for participants. For nearly 40,000 of the participants, scientists also had access to brain imaging and genetic information. Those involved in the study were asked about their sleep patterns, mental health, and well-being, and also took part in multiple cognitive tests. Researchers from China and the United Kingdom analyzed UK Biobank data (a long-term health study) from 500,000 adults ages 38 to 73. ![]() Michael Breus, Ph.D., an Oura Sleep Advisor who was not involved in the study, notes that because of this, the data may not be transferable to all populations. Additionally, the study only measured a self-report of how long participants slept and not the quality of their sleep. The study did have some limitations in the data, specifically that 94% of the participants reported they are of European ancestry and caucasian. Additionally, more or less sleep was linked to experiencing symptoms of anxiety and depression and worse overall well-being. The research found anything more or less than seven hours was associated with a reduced ability to remember, learn new things, focus, solve problems, and make decisions. We’ve been told time and time again that adults need seven to nine hours of sleep every night, but new research points to the exact amount of quality Z’s that may support our cognitive abilities, ward off early signs of dementia, and even protect our mental health.Ī recent study published in the journal Nature Aging found that around seven hours of sleep is ideal for middle and older-aged adults. Experts say that quality of sleep is also important, and achieving deep sleep as we age is crucial for brain health.The meta-analysis found seven hours of sleep improved cognitive abilities, protected the brain from dementia, and bolstered mental health.New research claims to have found the ideal amount of sleep for middle-aged adults and senior citizens. ![]() The open letter from the medical community said that Spotify allowing "The Joe Rogan Experience" to air Malone's unchecked claims could "damage public trust in scientific research and sow doubt in the credibility of data-driven guidance offered by medical professionals." Rolling Stone first reported on the letter. Psychology experts said there is no evidence for Malone's claims, and the phrase "mass formation psychosis" does not exist in the American Psychological Association's Dictionary of Psychology. ![]() Rogan, who signed an estimated $100 million exclusive deal with Spotify in 2020, recently interviewed Robert Malone, a medical doctor who claimed US citizens became "hypnotized" into wearing masks and getting COVID-19 vaccines due to a concept he called "mass formation psychosis." Two-hundred and seventy doctors, nurses, scientists, and educators signed an open letter calling on Spotify to mitigate the spread of misinformation on its platform following an episode of Joe Rogan's popular podcast, "The Joe Rogan Experience." Account icon An icon in the shape of a person's head and shoulders.
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