Law enforcement officers in Kansas raided the home and office of a newspaper owner, prompting a sharp rebuke from a press freedom group and raising constitutional questions far beyond the small city in the state.

Regular daytime naps could be good for brain health, new research suggests. Daytime napping could slow the rate at which brains shrink as we age, the study led by researchers at UCL and the University of the Republic in Uruguay found. The researchers hope their findings into the health benefits of sleeping during the day will reduce any stigma that still exists around daytime napping. The study suggests the average difference in brain volume between people programmed to be habitual nappers and those who were not was equivalent to 2.6 to 6.5 years of ageing. Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older Dr Victoria Garfield, UCL Senior author Dr Victoria Garfield, MRC Unit for Lifelong Health & Ageing at UCL, said: “Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older.” The study, published in the journal Sleep Health, analysed data from people aged 40 to 69. Past research has suggested people who have had a short nap perform better in cognitive tests in the hours afterwards than those who did not nap. The new study looked at whether there was a causal relationship between daytime napping and brain health. Researchers looked at 97 snippets of DNA thought to determine people’s likelihood of habitual napping. They compared measures of brain health and cognition of people who are more genetically programmed to nap with people who did not have these changes in DNA, using data from 378,932 people from the UK Biobank study. They found that, overall, people predetermined to nap had a larger total brain volume. The genetic variants – DNA changes – influencing the likelihood of someone to nap were identified in an earlier study looking at data from 452,633 UK Biobank participants. But the researchers did not find a difference in how well those programmed to be habitual nappers performed on three other measures of brain health and cognitive function. Lead author and PhD candidate Valentina Paz, University of the Republic (Uruguay) and MRC Unit for Lifelong Health & Ageing at UCL, said: “This is the first study to attempt to untangle the causal relationship between habitual daytime napping and cognitive and structural brain outcomes. “By looking at genes set at birth, Mendelian randomisation avoids confounding factors occurring throughout life that may influence associations between napping and health outcomes. “Our study points to a causal link between habitual napping and larger total brain volume.” Garfield added: “I hope studies such as this one showing the health benefits of short naps can help to reduce any stigma that still exists around daytime napping.” Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live Dramatic rise in the number of women freezing their eggs 9 glorious gardens to visit this summer How to keep flying insects out of your home

You might want to start leaving your door open at night, if new advice from sleep experts is anything to go by. New guidance might just change people’s choices when it comes to sleeping habits as we approach the warmer summer weather. While purchasing a fan is recommended for keeping cool when it comes to hotter temperatures, opening doors can do a lot when it comes to air circulation at night. “Surprisingly, only 60 per cent of adults sleep with their door closed meaning that 40 per cent sleep with their door open,” says Rex Isap, CEO and sleep expert at Happy Beds. Sign up to our free Indy100 weekly newsletter Explaining the implications of leaving doors open, Isep added [via Ideal Home]: “Firstly, a study found that those who slept with the bedroom door open reported a better and longer night’s sleep than those who slept with the door close. The reasoning behind this is that leaving the door open helped regulate the temperature in the room by making the temperature slightly lower, averaging 19 degrees Celsius.” Isap added: “Given that between 18 and 20 degrees Celsius is the ideal bedroom temperature, this naturally makes it easier for a person to fall asleep. It also makes it the ideal thing for a person to do if they suffer from night sweats, are going through menopause, or are generally overheating from the hot weather.” It’s not just a case of improving air flow and better maintaining temperatures either, as Sammy Margo at Dreams claims that leaving doors open also connects sleepers with the rest of their house and improves natural light in the mornings. Margo said: “Sleeping with an open door can also create a sense of openness and connection to the rest of your living space. It can alleviate feelings of isolation or confinement and promote a more positive and harmonious atmosphere in your home. It also opens the bedroom up to natural light from other areas of the house which can help in the morning!” Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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