Hitting the snooze button on the alarm clock once in a while might actually support the brain’s process of waking from deep sleep, according to a new study. People sometimes want to go right back to sleep even after the alarm goes off in the morning, using the snooze button in clocks and cell phones. Decades of previous research suggested that hitting snooze can have negative effects, both on sleep and the brain’s ability to wake up, but until now there hasn’t been any direct evidence of this, say scientists. The new study, published in the Journal of Sleep Research, assessed how common snoozing is and what effects this behaviour has on sleep, sleepiness, mood, and the brain’s cognitive abilities. Researchers found that those who snooze on an average sleep slightly shorter and feel more drowsy in the morning compared to those who never snooze. But they also saw that there were no negative effects of snoozing on the release of the stress hormone cortisol, mood, or sleep quality throughout the night. In the study, 1732 individuals answered questions about their morning habits, including how often they hit the snooze button with many – especially young adults – reporting that they use the alarm feature regularly. The most common reason for snoozing, according to participants, is feeling too tired to get out of bed when the alarm goes off. In another small follow-up experiment, 31 regular snoozers spent two nights in a sleep lab in order to measure their sleep in more detail. On one of the mornings, they were allowed to snooze for 30 minutes, and on the other, they had to get up right when the alarm went off. While in the first case, participants’ sleep was disturbed during the half hour of snoozing, most of them still got more than 20 minutes of sleep – meaning that their total night’s sleep was not affected much. In the snooze condition, no one had to wake up suddenly from deep sleep, and the snoozers performed a bit better on cognitive tests right upon waking. There were also no clear effects of snoozing on mood, sleepiness, or the amount of cortisol in the saliva. The results hint that half an hour of snoozing may not have negative effects on night sleep and could have some positive effects like a decreased likelihood of waking from deep sleep. However, researchers caution that the second experiment was small and only included people who are regular snoozers who find it easy to go back to sleep after each alarm. They say snoozing is most likely not for everyone. Jennifer Kanaan from the University of Connecticut in the US, who is another sleep scientist unrelated to the study, said the latest findings should be interpreted with caution as it could send the wrong message to people. “If you’re coming in and out of sleep for 30 minutes, after the alarm goes off the first time, you’re costing yourself 30 minutes of uninterrupted, quality, restorative sleep,” Dr Kanaan said in a statement. Instead of trying to figure out how to manipulate our alarm clocks, she says people should make a consistent good night’s sleep a greater priority and be less reliant on snooze buttons. “Simply put, instead of hitting the snooze button they should get more sleep,” Dr Kanaan said. Read More Study reveals why millions of women wake up at 3.29am Consistent lack of sleep may increase risk of future depressive symptoms – study Breakthrough study allows scientists to communicate with people as they sleep How to support a child with a stammer ‘I lost nearly a stone on Ozempic, but now it’s run out what am I to do?’ Miriam Margolyes now has part of a cow’s heart as she opens up about health

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McLaren’s Zak Brown believes there has only been one “credible” bid in the last decade from teams looking to enter the Formula 1 grid - from Guenther Steiner’s Haas team. In January, the FIA officially launched an application process for prospective F1 teams and it has now moved into the formal application stage. Several parties have reportedly declared interest in putting themselves on the grid in the future. The deadline for formal applications was 15 May, with the FIA planning to make a decision on those prospective teams by 30 June. “I think it’s exciting,” Brown said in Miami, of new teams potentially joining the grid. “I remember when I started following Formula 1, you had pre-qualifying, I think there were 30-31 cars trying to show up to make the show. “So, I think an increase in the grid of the right teams that bring the right resources and are additive to what we’re all trying to do and help grow the sport then I’m all for it. “What we can’t have is... really the only credible, sustainable team that I’ve seen in the last decade is Guenther (Steiner’s Haas). “And so, what we do need to make sure is if someone enters that they really have the commitment and can do what it takes. “Because in my experience, I think in a variety of motorsports, you do see a lot of dreamers and what we don’t need with the health of the sport is a team coming in underestimating what it’s going to take and two years later, they’re gone. “So, hats off to Haas for the commitment they’ve made and continue to make to the sport, so we need more teams like that.” The highest-profile prospective new team would be Andretti-Cadillac, while Hitech GP have also expressed an interest in joining the grid. Last week, The Independent interviewed Hong Kong billionaire Calvin Lo - who insisted he was keen on joining forces with a bid from Asia. Under the current rules, a maximum of 12 teams can be on the F1 grid. Additions to the current 10-team grid could be made as soon as 2025. Read More Lewis Hamilton and Mercedes are the biggest losers from Imola Grand Prix cancellation F1 Imola Grand Prix cancelled Inspired by Schumacher, meet the Hong Kong billionaire targeting a new Formula 1 team Where are Mercedes and Ferrari? Frankly, you don’t want to hear the answer ‘Nasty piece of work’: Lewis Hamilton’s Mercedes slammed by Toto Wolff

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