Individuals with a history of disrupting their body's natural rhythm - working night shifts, for example, or suffering repeated jetlag - also tended to have a higher lifetime risk of mood disorders, feelings of unhappiness and cognitive problems, the researchers found.
DISRUPTION TO THE body's internal clock is associated with greater susceptibility to mood disorders such as severe depression and bipolar disorder, the largest study of its kind has found.
They were also found to have slower reaction times.
For the latest study, researchers analysed activity data on 91,105 people to measure their daily rest-activity rhythms (also known as relative amplitude).
That's because of the artificial light in cities that can disrupt your sleep cycles.
Daily circadian rhythm is controlled by a collection of neurons in an area of the brain called the hypothalamus.
But Dr. Laura Lyall, study author and research associate at the University of Glasgow, highlights a chicken-and-egg problem since the study was an observational one.
They took account of people's age, the season they wore the activity monitor, their sex, ethnic origin, deprivation score (based on postcode), smoking status, alcohol intake, educational level, overall activity levels, body mass index, and whether they'd experienced childhood trauma.
A lower circadian amplitude denotes less distinction, in terms of activity levels, between active and rest periods of the day.
"But it's not just what you do at night", he said, "it's what you do during the day - trying to be active during the day and inactive in darkness", he told.
The findings are consistent with research indicating a link between sleep disruptions and mood disorders.
So this group may not be the best population in which to study whether disrupted circadian rhythm is a cause of poor mental health.
For the large study, the researchers examined activity data of 91,105 people from the United Kingdom who were aged between 37 to 73 years.
"This is important globally because more and more people are living in urban environments that are known to increase risk of circadian disruption and, by extension, adverse mental health outcomes".
While this may be good general advice for improving sleep, the study didn't tell us whether night-time wakefulness or phone or tablet use was a cause or result of mental health problems.
"So we need to think about ways to help people tune in to their natural rhythms of activity and sleeping more effectively".
The study can not say conclusively that body-clock disturbances are what caused the mental risk, instead of the other way round.
'The next step will be to identify the mechanisms by which genetic and environmental causes of circadian disruption interact to increase an individual's risk of depression and bipolar disorder.
Frances , for her part, gets to keep the house she and Silva bought together and will not have to pay Silva spousal support. After five years of dating, Frances married Silva back 2014 in a secret summer wedding attended by close friends.
This week, WWE is in London and the two remaining spots from Team Red will be filled after a couple more qualifying matches. Finn Balor & Braun Strowman by Dolph Ziggler pinning Finn Balor after knocking Finn Balor off of the top rope.
The current loot box controversy spurred by Star Wars: Battlefront 2 now hangs over the head of both Electronic Arts and DICE. PDT, viewers can tune in through the official Battlefield YouTube channel , Twitch , Mixer .com and the official website .
Apple lawyer Bill Lee told jurors this week that their sole objective was to determine what damages the company should collect. It infringed three design patents and two utility patents awarded to Apple to cover early models of its popular smartphone.
Remo has been roped in by producer Ramesh Taurani for the first time to direct an instalment of the Race franchise. They are also joined by Bobby Deol , Daisy Shah , Saqib Saleem and Amit Sadh in Race 3 .
Despite his legal issues, T.I. has been an advocate for social justice, in what the Journal-Constitution calls a "metamorphosis". The rapper reportedly did not have the key required to enter the community and was barred from entering at 4 a.m.
Game 2 was a different story, as Vegas clamped down on defense and Marc-Andre Fleury turned away Winnipeg's first 26 shots. The Jets and Golden Knights were tied 1-1 heading into Wednesday's Game 3, while the Caps were up 2-1 on the Lightning.
Camsing International acquired POW! in 2017 for an undisclosed price and placed its USA vice president Shane Duffy as POW!'s CEO. Stan Lee has filed a major lawsuit against his former company over allegations that it stole his likeness for financial gain.
Senate Committee Expected to Approve Haspel to Lead CIA
McCain, who has been away from Washington all year as he battles brain cancer, urged the Senate not to vote for Haspel. Haspel, the CIA's acting director, earned support from the top Democrat on the Intelligence Committee, Sen.
Las Vegas Beats Winnipeg to Even Conference Final
Vegas now returns home where it's lost just 10 games since December 14 and is 9-2 in its last 11 home games when a favorite. The Jets are 8-1 in these playoffs when they score first and are now 1-4 when they don't.
Guatemala Opens Embassy in Jerusalem
President Jimmy Morales arrived in Israel on Tuesday to open his country's embassy in Jerusalem . Trump ignored widespread anger and condemnation and pushed ahead with embassy relocation plans.
Senate Approves Measure to Reinstate Net Neutrality
Senator Ed Markey of MA argued that " net neutrality is the free speech issue of our time", according toArs Technica. If that does manage to happen, the net neutrality rules the FCC enacted in 2015 would not be repealed next month.