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Sticking to a normal daily rhythm -- being active during the day and sleeping at night -- can have more benefits than you might expect.A new study found that it is linked to improvements in mood and cognitive functioning as well as a decreased likelihood of developing major depression and bipolar disorder.The study, published Tuesday in the journal The Lancet Psychiatry, looked at disruptions in the circadian rhythms -- or daily sleep-wake cycles -- of over 91,000 adults in the United Kingdom. It measured these disruptions using a device called an accelerometer that is worn on the wrist and measures one's daily activity levels. The participants were taken from the UK Biobank, a large cohort of over half a million UK adults ages 37 to 73.The researchers found that individuals with more circadian rhythm disruptions -- defined as increased activity at night, decreased activity during the day or both -- were significantly more likely to have symptoms consistent with bipolar disorder or major depression. They were also more likely to have decreased feelings of well-being and to have reduced cognitive functioning, based on a computer-generated reaction time test.For all participants, activity levels were measured over a seven-day period in either 2013 or 2014, and mental health proxies such as mood and cognitive functioning were measured using an online mental health questionnaire that participants filled out in 2016 or 2017."It's widely known that a good night's sleep is a good thing for well-being and health. That's not a big surprise," said?Dr. Daniel Smith, professor of psychiatry at the University of Glasgow and a leading author on the study. "But I think what's less well-known and what comes out of this work is that not only is a good night's sleep important, but having a regular rhythm of being active in daylight and inactive in darkness over time is important for mental well-being."The findings were found to be consistent even when controlling for a number of influential factors including age, sex, lifestyle, education and body mass index, according to Smith."I think one of the striking things that we found was just the consistency in the direction of our association across everything we looked at in terms of mental health," Smith said.Daily circadian rhythm is controlled by a collection of neurons in an area of the brain called the hypothalamus. The hypothalamus helps regulate a number of important behavioral and physiological functions such as body temperature, eating and drinking habits, emotional well-being and sleep, according to the?National Institute of General Medical Sciences.The findings are consistent with research indicating a link between sleep disruptions and mood disorders. A 2009 study, for example, showed that men who worked night shifts for four years or more were more likely to have anxiety and depression than those who work during the day.However, the new study is the first to use objective measurements of daily activity and is among the largest of its kind, according to?Aiden Doherty, senior research fellow at the University of Oxford, who was not involved in the research."This study is the first large-scale investigation of the association of objectively measured circadian rhythmicity with various mental health, well-being, personality and cognitive outcomes, with an unprecedented sample size of more than 90 000 participants," Doherty wrote in an email."Previous studies have been very small (in just a few hundred people), or relied on self-report measures (asking people what they think they do). ... However, this study used objective device-based measures in over 90,000 participants; and then linked this information to standard measures of mood disorders, subjective well-being, and cognitive function," he added.The findings have significant public health consequences, particularly for those who live in urban areas, where circadian rhythms are often disrupted due to artificial light, according to Smith."By 2030, two-thirds of the world's population will be living in cities, and we know that living in an urban environment can be pretty toxic to your circadian system because of all the artificial light that you're exposed to," Smith said."So we need to think about ways to help people tune in to their natural rhythms of activity and sleeping more effectively. Hopefully, that will protect a lot of people from mood disorders."For those who struggle to maintain a consistent circadian rhythm, certain strategies -- such as avoiding technology at night -- have proven to be an important part of good sleep hygiene."Not using your phone late at night and having a regular pattern of sleeping is really important," Smith said. "But equally important is a pattern of exposing yourself to sunshine and daylight in the morning and doing activity in the morning or midday so you can actually sleep properly."Based on the observational nature of the study, the researchers were unable to show causality, meaning it is unclear whether the sleep disturbances caused the mental health problems or vice versa."It's a cross-sectional study, so we can't say anything about cause and effect or what came first, the mood disorder or the circadian disruption," said Kristen Knutson, associate professor of neurology at Northwestern's Feinberg School of Medicine, who was not involved in the study."And it's likely they affect each other in a circular fashion," she added.The researchers also looked exclusively at adults between age 37 and 73, meaning the results may not apply to younger individuals, whose circadian rhythms are known to be different than those of older adults, according to Smith."The circadian system changes throughout life. If you've got kids, you know that very young kids tend to be nocturnal," Smith said. "My suspicion is that we might observe even more pronounced effects in younger samples, but that hasn't been done yet, to my knowledge."But the study adds more credence to the idea that sleep hygiene -- including maintaining a consistent pattern of sleep and wake cycles -- may be an important component of good mental health, according to Smith."It's an exciting time for this kind of research because it's beginning to have some real-world applications," Smith said. "And from my point of view as a psychiatrist, I think it's probably under-recognized in psychiatry how important healthy circadian function is, but it's an area that we're trying to develop." 6496

The American Academy of Pediatrics is clarifying their stance on reopening schools this fall, pushing for science-based decisions and calling on Congress to provide necessary federal funding for campuses to reopen safely.The AAP, joining together with the American Federation of Teachers (AFT), National Education Association (NEA) and AASA, The School Superintendents Association, said they share the desire to welcome children back to schools this fall, however safety concerns must be considered.“Returning to school is important for the healthy development and well-being of children, but we must pursue re-opening in a way that is safe for all students, teachers and staff. Science should drive decision-making on safely reopening schools. Public health agencies must make recommendations based on evidence, not politics,” the statement reads.They go on to say a one-size-fits-all approach is not appropriate, given the nature of the pandemic across the country. 975

TEMECULA, Calif. (KGTV) -- A San Diego County Sheriff’s Deputy died Saturday in a crash in Temecula, the Department confirmed. According to the Department, Deputy Matthew Creed died after being ejected during single-vehicle a crash on De Portola Road just east of Calle Arboles just after 9 a.m. Saturday. A preliminary investigation determined that the Ford F-150 was being driven at a high rate of speed when it hit the center median and flipped over.RELATED: Man dies after fiery South Bay crashThe truck came to a rest on its roof before catching fire. Three juveniles were in the truck at the time of the crash and were taken to the hospital with non-life threatening injuries. The department sent 10News the following statement: 743

TAMPA, Fla. — A Tampa Catholic school experienced heightened police presence and low attendance Tuesday after a former contracted employee threatened violence on campus. "When I first walked into school there was like eight people and then like they kept saying there was like police and a lockdown drill will happen," said Sofia Diaco, a fourth-grade student at Academy of the Holy Names. Tampa Police advised school officials at Academy of the Holy Names to operate on a modified lockdown Tuesday as they searched for the person who threatened to "shoot up the school.""There's no question that when you hear about such a specific and violent threat, you worry about your children's safety and you entrust that safety to the school," said parent Dan Diaco. Ainya Smalls, 23, was arrested for making the threat in front of students and staff as a supervisor escorted her off campus after being terminated on Monday. Smalls worked for a cleaning company hired by the school. "A lot of people were scared, some post-traumatic issues from some of the children, and some of the parents to be honest," Diaco said. Scripps station WFTS in Tampa has learned, Smalls already had a warrant out for her arrest for criminal mischief while she worked at the historic Catholic school. Officials say Smalls passed a Level 2 background check provided by the cleaning company. But after this incident, they will now conduct their own screenings for all contracted employees and plan on re-screening every member of the cleaning staff. "I think the Academy's new policy of taking control of the background checks is a wonderful remedy to help prevent something like this from happening again," Diaco said. "It's no guarantee, but it's certainly an improved layer of protection." The following was sent out following the incident: School officials will hold a meeting for parents starting at 6 p.m. Thursday in the Brady Center to discuss the school threat.  2034

Surveillance video was released Wednesday from security cameras outside Marjory Stoneman Douglas High School on the day a gunman killed 17 people.The video's expected July 27 release was delayed when the Broward County School Board requested a review by the state's highest court. On Wednesday, the state Supreme Court said no further appeals would be considered.The video only shows footage from exterior cameras on campus, not from inside the school building where former student Nikolas Cruz opened fire on students and faculty February 14.The heavily-edited and blurred footage depicts the chaotic moments after the shooting, with students and staff being directed away from the scene and law enforcement officers at one point opening a gate and entering a school building with their guns drawn. 807