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Are your grandparents up very early in the morning, without fail? Well, it turns out there are scientific reasons why older people wake up earlier as they get older. It’s been revealed that in later life, the natural process of ageing leads to changes in the times the body approaches sleep. According to HuffPost, our approach towards resting and amount of sleep we require is down to both genetics and our age. Cindy Lustig, who is a professor of psychology at the University of Michigan, said: “Like most of the things that change with age, there’s not just one reason, and they are all interconnected.” Sign up to our free Indy100 weekly newsletter It’s all to do with the brain becoming less responsive as people age to factors such as sunlight, social cues and physical activity which indicate where in the day we are at any given time. “The wiring of the brain is likely not sensing... and responding to the inputs as well as it should because it’s an ageing brain,” Dr. Sairam Parthasarathy, the director of the Center for Sleep and Circadian Sciences at the University of Arizona Health Sciences, also told the publication. “These are all what we call time givers, or they give time to the brain,” he said. In other words, they help the brain sense where it is in the 24-hour circadian cycle. Younger people can more easily connect indicators like eating dinner with the idea of sleeping in the next few hours. However, that’s not as easy for older people to register naturally, especially as their vision tends to suffer in later life. “Interestingly, one of [the reasons] seems to be that the vision changes that come with age reduce the intensity of the degree of light stimulation that our brain receives, which plays an important role in ‘setting’ our circadian clock and keeping it on track,” said Lustig. 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.

Twitter appears to be restricting access to its platform for anyone not logged into an account.

Nearly half of all internet traffic came from bots last year, according to new research. Figures from cyber security firm Imperva revealed a significant increase in automated and malicious web activity in 2022, with the proportion of human traffic falling to its lowest level in eight years. The company noted that so-called “bad bots” were at their highest level since it started tracking the trend in 2013. Bot activity is expected to increase even further this year, the researchers claimed, due to the arrival of generative AI tools like OpenAI’s ChatGPT and Google’s Bard. “Bots have evolved rapidly since 2013, but with the advent of generative artificial intelligence, the technology will evolve at an even greater, more concerning pace over the next 10 years,” said Karl Triebes, a senior vice president at Imperva. “Cyber criminals will increase their focus on attacking API endpoints and application business logic with sophisticated automation. As a result, the business disruption and financial impact associated with bad bots will become even more significant in the coming years.” Bad bot activity can include anything from spam that clogs up email inboxes, to advanced systems that carry out brute force attacks to hack into people’s emails or online accounts. Some bots even mimic human behaviour in order to avoid being detected by security software. Another worrying trend noted in the report was the rise of bots used in warfare, with a 145 per cent spike in automated attacks targeting Ukrainian web applications in early 2022. These were likely designed to disrupt the country’s critical infrastructure, ranging from energy and telecom, to transport and financial sectors. “Every organisation, regardless of size or industry, should be concerned about the rising volume of bad bots across the internet,” said Triebes. “Year-over-year, the proportion of bot traffic is growing and the disruptions caused by malicious automation results in tangible business risks – from brand reputation issues to reduced online sales and security risks for web applications, mobile apps, and APIs.” Read More Why tech bosses are doomsday prepping ChatGPT is finally connected to the web 75% of Irish data watchdog’s GDPR decisions since 2018 overruled – report Nasa’s AI gives ‘30 minutes of advance warning’ before solar superstorms strike Earth

"Several" US federal government agencies have been hit in a global cyberattack that exploits a vulnerability in widely used software.