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The clock will strike 1 a.m. twice Sunday morning as daylight saving time once again comes to an end. Here’s what you need to know about daylight saving time and why the U.S. changes clocks twice a year. Daylight saving time began March 10 and ends Nov. 3. In 2025, daylight saving time starts on Sunday, March 9, and ends on Sunday, Nov. 2, when it’s time to repeat the process. In the Northern Hemisphere, most of the countries that observe daylight saving time are in Europe and North America.

Persons: Karin Johnson, Kin Yuen Organizations: U.S, Astronomical, Department, Pew Research Center, U.S . Senate, Protection, National Conference of State Legislatures, UMass Chan Medical, NBC News, University of California, American Academy of Sleep Locations: U.S, Hawaii, Arizona, Europe, North America, Southern, San Francisco

☆ Don’t drink before your nap on the plane. It could hurt you now and later
▼ + stars: | 2024-06-03 | by ( Madeline Holcombe | ) edition.cnn.com time to read: +6 min

CNN —The “fasten seat belt” sign is off, and the time for a nap on your flight is on. On the nights with alcohol, researchers saw a lowered amount of oxygen and an increased heart rate, the study showed. Alcohol gets you sleep — but not good sleepThe study authors didn’t just collect data on heart strain. Alcohol may help you get to sleep, but the quality isn’t as good as sleep while sober, he said. “Many people have witnessed when people drink heavily, their snoring and the sleep apnea is much more severe,” Freeman said.

Persons: ”, Eva, Maria Elmenhorst, Andrew Freeman, didn’t, —, Freeman, ” Freeman, Shalini Paruthi, Paruthi, “ I’ve, “, Shalini Organizations: CNN, DLR Institute of Aerospace Medicine, Jewish Health, Alcohol, Saint Louis University School of Medicine, American Academy of Sleep, Foods Locations: Cologne, Germany, Denver

☆ How to survive sleeping with a sleep talker
▼ + stars: | 2024-05-09 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +6 min

“There are some things you, the bed partner, can do to save your sleep,” Schenck said. Medications to treat depression, and other mental health disorders, high blood pressure, seizures, asthma and, oddly, other sleep disorders can also cause sleep talking, according to the Cleveland Clinic. “Cut out alcohol so you can share your consideration for the bed partner who is disturbed by your sleep talking.”What causes sleep talking? Sleep talking is a parasomnia, in the same category as sleep terrors, sleep eating, sleep paralysis and sleep sex. Some people who have sleep talking or walking as children do return to the behavior as adults, but many others do not,” he said.

Persons: Carlos Schenck, ” Schenck, “, GERD, Schenck, Jennifer Mundt, ”, Earplugs, Mundt, ” Mundt, Parasomnias Organizations: CNN, American Academy of Sleep, Hennepin County Medical, University of Minnesota, Cleveland Clinic, Northwestern University’s Feinberg School of Medicine Locations: Hennepin, Chicago

☆ Regular exercise is associated with less insomnia, study shows
▼ + stars: | 2024-03-26 | by ( Madeline Holcombe | ) edition.cnn.com time to read: +5 min

One of the most helpful things to do might be to get some exercise, according to a new study. “It gives us an idea of something that maybe we don’t always think about for treatment of insomnia,” Paruthi said. Regular exercise was associated with significantly better sleep, the study showed. There are plenty of reasons why physical activity may help in getting a good night’s rest. Physical activity helps regulate the body’s internal clock and promotes deeper, more restorative sleep,” Björnsdóttir said.

Persons: ”, Erla, sleepiness, David Neubauer, ” Björnsdóttir, Shalini Paruthi, ” Paruthi, Neubauer, Paruthi Organizations: CNN’s, CNN, Reykjavik University, Johns Hopkins University School of Medicine, Saint Louis University School of Medicine, American Academy of Sleep

☆ Do you have insomnia? Let’s get back to sleep
▼ + stars: | 2024-03-11 | by ( Madeline Holcombe | ) edition.cnn.com time to read: +6 min

There are several useful methods to treat the condition, including fixing your sleep hygiene and engaging in cognitive behavioral therapy specifically for insomnia. What do you do on those nights where you just know sleep isn’t coming — or, at least, not without a fight? The condition affects a lot of people, but is often underestimated as a cause of insomnia, Paruthi said. Don’t let bed become a place associated with long stretches of stressing to get to sleep, said Salas, who is also a sleep neurologist at the Johns Hopkins Center for Sleep and Wellness. “The worst thing somebody with insomnia could do is stay in bed and not sleep,” she said.

Persons: Shalini, Rachel Salas, Paruthi, ”, “, ” It’s, isn’t, Salas, —, drowsy, I’m, I’ll, ’ ” Organizations: CNN, Sleep Medicine, Research, Luke’s, American Academy of Sleep, Johns Hopkins University School of Medicine, Saint Louis University School of Medicine, Johns Hopkins Center for Sleep Locations: St, Chesterfield , Missouri, Baltimore, hyperarousal

☆ Jet lag: What Taylor Swift — and the average traveler — is up against
▼ + stars: | 2024-02-07 | by ( Marnie Hunter | ) edition.cnn.com time to read: +8 min

And what about the jet lag? Here’s how jet lag works and what the average traveler can do to lessen its effects. What is jet lag? There are behavioral adjustments and remedies that can help a traveler deal with jet lag. But choosing flights that are less disruptive to getting a decent amount of sleep helps prevent a sleep deficit that can make jet lag worse.

Persons: CNN —, you’re Taylor Swift, Swift, “, Travis Kelce, Taylor Swift, Matt Winkelmeyer, ”, David Schulman, Fariha Abbasi, Feinberg, there’s, Richard Dawood, ” Dawood, Schulman, ” Schulman, you’re, Abbasi, ” Abbasi, Skip, Dawood, Don’t Organizations: CNN, Super Bowl, football’s, CBS, Super, Emory University School of Medicine, Emory Sleep Center, Vegas, Fleet Street Clinic, American Academy of Sleep Medicine, American Academy of Sleep, Millennium Physician Locations: Tokyo, Las Vegas, Pacific, Australia, Embassy, Japan, United States, Vegas, Melbourne, Atlanta, London, Fort Myers , Florida

☆ The science behind sleeping more in winter
▼ + stars: | 2024-01-22 | by ( Kristen Rogers | ) edition.cnn.com time to read: +5 min

“If you feel like sleeping more in the winter, you’re not alone,” said Dr. Raj Dasgupta, an associate professor of clinical medicine at Huntington Memorial Hospital in Pasadena, California, citing research that found at least a third of American adults reported they sleep more in the winter. But participants did get 30 more minutes of rapid eye movement, or REM, sleep during winter. Here’s what experts think you should know about the science and whether you should make any adjustments. “But we can make adjustments to perform in a better way, to rest in a better way during winter,” she said. “To help our bodies make this transition from sleep to wake, it’s important to have light exposure in the morning during winter months,” Weiss said.

Persons: CNN —, you’re, ”, Raj Dasgupta, Dasgupta, wasn’t, ” Dasgupta, Carleara Weiss, Joshua Tal, ” Tal, Weiss, Tal, ” Weiss, Jennifer Martin Organizations: CNN, Huntington Memorial Hospital, St, Hedwig Hospital, Center for Nursing Research, University of Buffalo, David Geffen School of Medicine, UCLA, American Academy of Sleep Locations: Huntington, Pasadena , California, Berlin, New York City

☆ Five weird signs of sleep apnea
▼ + stars: | 2023-11-27 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +6 min

Yet even if you’re a rock star at snoring, you may not know you have obstructive sleep apnea unless someone tells you about your nocturnal roars. Here are five weird signs of obstructive sleep apnea to watch for, according to Dasgupta. But research has shown that about 30% of people with obstructive sleep apnea have reported night sweats, Dasgupta said. Teeth grindingGrinding or clenching teeth while sleeping is called bruxism, and it too may be a sign of obstructive sleep apnea, Dasgupta said. “Women especially have a tendency to underreport atypical symptoms such as insomnia, fatigue and depression.”If obstructive sleep apnea awakens you, it may be hard to go back to sleep.

Persons: ”, Dr, Raj Dasgupta, “ It’s, Dasgupta, “, aren’t Organizations: CNN, American Academy of Sleep, University of Southern California’s Keck School of Medicine, Mayo Clinic, OSA, Getty, Cleveland Clinic Locations: “, United States, awakenings

☆ Bill Gates used to think this habit was lazy and 'unnecessary'—now it's his No. 1 key for a healthy brain
▼ + stars: | 2023-08-03 | by ( Ashton Jackson | ) www.cnbc.com time to read: +3 min

"One of the strongest things to emerge in [the Alzheimer's] area is the importance of good sleep," Gates said. "It's one of the most predictive factors of any dementia, including Alzheimer's, whether you're getting good sleep." On the podcast, Seth Rogen agreed with Gates, saying his mother-in-law's Alzheimer's diagnosis encouraged him to take sleep more seriously. You don't need sleep,'" Rogen said. It's "super important," Gates said.

Persons: Bill Gates didn't, Bill Gates, Seth Rogen, Lauren Miller Rogen, Gates, —, Rogen, Warren Buffett Organizations: Microsoft, Harvard Medical School, National Health, American Academy of Sleep Medicine, Centers for Disease Control, Apple

☆ Opinion: Supreme Court drops the H-bomb and D-bomb
▼ + stars: | 2023-07-02 | by ( Richard Galant | ) edition.cnn.com time to read: +15 min

We’re looking back at the strongest, smartest opinion takes of the week from CNN and other outlets. Graduates of Harvard and other Ivy League schools earn significantly more than most college graduates –— the credential opens doors. Maybe the best confirmation of that is that eight out of the nine Supreme Court justices went to law school at either Harvard or its Ivy rival, Yale. “The court’s decision Thursday is consistent with its view that race-based preferences should and would have a limited shelf life. And the Supreme Court has just guaranteed that this will be the case for many years to come.”“The court made the right decision,” wrote Ilya Somin, a law professor at George Mason University.

Persons: Harvard College Dean Rakesh Khurana, ”, Harvard isn’t, –, Michael Gerhardt, Roe, Wade, Donald, Trump, Bill Bramhall, Tan, ” Ana Fernandez, Richard Kahlenberg, Harvard …, Lanhee Chen, Peniel, Joseph, Joe Biden’s, Rachel Clark, “, Ilya Somin, Biden, ” Clay Jones, Somin, Leah Litman, isn’t, aren’t, Timothy Holbrook, Nicole Hemmer, Drew Sheneman, Phil Hands, Julian Zelizer, Yorkers, Walt Handelsman, Jill Filipovic, ’, Patrick T, Brown, DeSantis, Duncan Hosie, Ken Ballen, Trump Jack Ohman, Jennifer Martin, ” Martin, Vladimir Putin’s, Yevgeny Prigozhin, Wagner, Prigozhin, David A, Putin, Jade McGlynn, CNN’s Chris Good, it’s, Frida Ghitis, Keir Giles, Victory, Don’t, Agency Dean Obeidallah, Keith Magee, France Kara Alaimo, Vicki Shabo, Leroy Chiao, Abdullah, Billy Lezra, MonaLisa Leung Beckford, Timothy Naftali, David Horsey, It’s, Blake Moore, Marc Veasey, Hershel “ Woody ” Williams, Moore, Veasey, “ Williams, Williams, Hershel ‘ Woody ’, Abraham Lincoln, ” Moore, Lincoln Organizations: CNN, Harvard, Harvard College, Wall Street Journal, of Harvard, Ivy League, Yale, Supreme Court, University of North, University of North Carolina —, Wellesley College, Blacks, …, George Mason University, “, University of Michigan, Democratic, Agency, Trump, New Yorker, American Academy of Sleep, Soviet Union —, RFK, Republican, Utah Republican, Texas Democrat, Marines Locations: Boston, University of North Carolina, California, “, Chicago, Detroit, Great, Bedminster, New Jersey, New, Iran, Ukraine, Russia, Soviet Union, Moscow, France, Hong Kong, China, America, Utah, Texas, Iwo Jima, Lincoln

☆ Opinion: You might want to rethink taking melatonin as a sleep aid
▼ + stars: | 2023-06-29 | by ( Opinion Jennifer Martin | ) edition.cnn.com time to read: +6 min

CNN —You may know someone who has taken melatonin to help them sleep. Sometimes, they mention a friend who recommended a specific brand that’s supposed to be “really strong.” Then I ask them if taking melatonin has worked for them. Finally, people can become psychologically dependent on taking the supplement and become afraid of what will happen to their sleep if they stop taking melatonin. To understand how melatonin supplements work (and why they often don’t), it’s important to look at how the hormone naturally functions in the human body. This makes consulting a sleep specialist before taking melatonin all the more important.

Persons: Jennifer Martin, Australia — Organizations: David Geffen School of Medicine, University of California, American Academy of Sleep, CNN, JAMA, European Union, Twitter, Facebook Locations: Los Angeles, cannabidiol, Canada, United Kingdom, Japan, Australia

☆ What is sleep apnea and how is it treated?
▼ + stars: | 2023-06-28 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +5 min

The condition is called “obstructive” sleep apnea because unlike central sleep apnea — in which the brain occasionally skips telling the body to breathe — obstructive sleep apnea is due to a blockage of the airways by weak, heavy or relaxed soft tissues. Muscle tone weakens with age, including in the soft palate and neck, making sleep apnea common among people older than 50, experts say. Biden’s getting treatmentIf left untreated, obstructive sleep apnea raises the risk of hypertension, heart disease, type 2 diabetes, depression and even an early death, according to the American Academy of Sleep Medicine. Deep sleep is considered one of the best markers of sleep quality, because a person must typically have relatively uninterrupted sleep to achieve it. Anyone with symptoms of sleep apnea need to be evaluated by a sleep specialist.

Persons: Joe Biden Organizations: CNN, American Academy of Sleep, Mayo Clinic, US Centers for Disease Control, Prevention

☆ Harvard-trained doctor shares 10 signs you're not getting enough sleep: 'Each person is different'
▼ + stars: | 2023-05-04 | by ( Amy Shah | ) www.cnbc.com time to read: +4 min

Even on weekends, I naturally wake up at the same time. Research shows that people who smoke or vape often sleep for a shorter amount of time, with irregular sleep patterns. Cool temperatures of 60 to 68 degrees Fahrenheit are close to our own internal body temperature (which drops to its lowest level when we sleep) are the best for sleeping. By energizing your body, exercise raises your core body temperature, which is the opposite of what you want to have happen before going to sleep. Your body temperature naturally lowers in the evening, a signal to your brain that it's time to snooze.

When we've been awake for a long time, our sleep drive kicks in and tells us we need to sleep. During REM sleep, the cortex – responsible for cognition and emotion-processing – is activated in some regions and deactivated in others. After cycling through non-REM and REM sleep around 4 to 5 times, the basal forebrain and other structures receive signals to start exiting sleep. WHEN SLEEP GOES WRONGIn the U.S. alone, 50 to 70 million people experience some type of chronic sleep disorder, according to the American Academy of Sleep Medicine (AASM). In the United States, a list of board-certified sleep medicine physicians and accredited sleep disorders centers is available from the American Academy of Sleep Medicine.

☆ Why fighting the urge to sleep may be bad for our health
▼ + stars: | 2023-04-07 | by ( ) www.reuters.com time to read: +17 min

What happens when we sleep Sleep itself has cycles, in which the brain and body move through phases, marked by varying brain activity. Moving into REM sleep A region in the upper brainstem kickstarts the move into REM sleep. Waking up After cycling through non-REM and REM sleep around 4 to 5 times, the basal forebrain and other structures receive signals to start exiting sleep. Then we transition back to lighter sleep, into REM sleep and back down again, and so on until we wake up. Tips for better sleep Good sleep habits can contribute to better sleep, studies have found.

☆ Sleep experts say you can 'catch up' on sleep but sleeping in on the weekends isn't the way to do it
▼ + stars: | 2023-01-14 | by ( Kelly Burch | ) www.businessinsider.com time to read: +6 min

Researchers proposed it takes 4 days of quality sleep to recover from just 1 hour of sleep debt. Why it's hard to catch up on sleepPsychiatrist and sleep medicine expert, Dr. Alex Dimitriu, is of the mindset that you can catch up on sleep, but only if you haven't let your sleep debt grow too great. By definition, one hour of sleep lost equals one hour of sleep debt. "If the sleep debt is greater, the time to recover becomes markedly longer, and complete recovery may not be possible, so it's important to not let sleep debt go too far," Dimitriu, founder of Menlo Park Psychiatry & Sleep Medicine, told Insider. How to pay back sleep debtPaying back sleep debt is like paying back credit card debt: Try to pay all, or as much, of the total balance so that the debt doesn't grow too large.

☆ Insomnia is a $5 billion business — and this former sleep doctor thinks it's time for a new approach
▼ + stars: | 2022-12-23 | by ( Ari Levy | ) www.cnbc.com time to read: +16 min

Daniel Erichsen, founder of the Sleep Coach School Daniel ErichsenDaniel Erichsen spent about a decade as a sleep doctor, primarily seeing patients who were struggling with sleep apnea and insomnia. According to market research firm Imarc, the global insomnia market will hit $5.1 billion this year and climb to $6.1 billion by 2028. Other apps, including some backed by venture capital firms, promote cognitive behavioral therapy for insomnia, or CBT-I. That therapy is meant to change the way people think about sleep and incorporates behavior changes like sleep restriction and stimulus control. Kendall's message, which mirrors much of Erichsen's teachings, is that sleep is simple, but insomnia makes it seem complex.

☆ Poor sleep can make you prickly. Here’s what to do
▼ + stars: | 2022-12-01 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +6 min

Develop a sleep debt from those worries, and you’ll pay a price in your ability to think, plan and manage your emotions. “Sleep debt, also called a sleep deficit, is the difference between the amount of sleep someone needs and the amount they actually get,” said sleep specialist Dr. Raj Dasgupta, an associate professor of clinical medicine at the University of Southern California’s Keck School of Medicine. Research has found many people have little idea how much poor sleep has affected their mood and coping skills, said Dr. Bhanu Prakash Kolla, a sleep medicine specialist in the Center for Sleep Medicine at the Mayo Clinic in Rochester, Minnesota. Loss of sleep can directly affect your ability to control emotions and manage expectations, said Dr. Bhanu Prakash Kolla of the Mayo Clinic. “Sleep medications are seldom the solution for chronically poor sleep and impaired daytime functioning,” he said.

☆ Daylight Saving Time debate sheds light on growing racial inequities in sleep health
▼ + stars: | 2022-11-25 | by ( Jacqueline Howard | ) edition.cnn.com time to read: +10 min

The American Academy of Sleep Medicine, the Sleep Research Society and other medical groups have advocated for ending the practice, calling for the adoption of a permanent standard time that would not involve shifting forward each spring and falling back each autumn. She authored a paper, published in September in the journal Sleep, detailing the potential health benefits of adopting a permanent standard time. Now, some sleep researchers worry about the potential effects that continuing to change standard time twice each year may have on sleep health inequities. “Fortunately, sleep health is largely modifiable.”As for the inequities seen in sleep health, it’s not that White adults don’t also experience a lack of sleep and its health consequences – but people of color appear to disproportionately experience them more, and that’s believed to be largely due to social systems in the United States. Improving sleep health has been a national objective in the federal government’s past two Healthy People programs, noted Caraballo-Cordovez, who is not involved in the programs.

☆ Permanent Daylight Saving Time will hurt our health, experts say
▼ + stars: | 2022-11-06 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +7 min

We’ll move them forward (again) next spring when governments put daylight saving back in place. Not according to the United States Senate, which in March passed the Sunshine Protection Act of 2021 – if it becomes law, Daylight Saving Time will be permanent. Our bodies need the early morning light to set our internal body clock, experts say. When President Richard Nixon signed a permanent Daylight Saving Time into law in January 1974, it was a popular move. “The United States has tried permanent daylight saving time twice before and ended it early.

☆ Making daylight saving permanent could drastically reduce deer collisions, study finds
▼ + stars: | 2022-11-02 | by ( Evan Bush | Evan Bush Is A Science Reporter For Nbc News. He Can Be Reached At Evan.Bush Nbcuni.Com. | ) www.nbcnews.com time to read: +5 min

It also adds more ammunition to the charged debate over seasonal time changes and could bolster political arguments for moving the U.S. to permanent daylight saving time. Daylight saving time is when many parts of the world set clocks back by one hour to shift sunlight earlier in the day, meaning sunsets then happen earlier. The U.S. Senate in March approved a bipartisan bill that would make daylight saving time standard for all states except Arizona and Hawaii. States in the northern U.S. would reduce collisions most from permanent daylight saving. “On the whole, we need a comprehensive cost-benefit analysis of the way daylight saving time impacts our health and environment,” Cunningham said.

☆ Clocks turn back this weekend, but the future of daylight saving time is far from settled
▼ + stars: | 2022-10-31 | by ( Aria Bendix | Aria Bendix Is The Breaking Health Reporter For Nbc News Digital. | ) www.nbcnews.com time to read: +6 min

ET on Sunday, clocks in the U.S. will turn back one hour as daylight saving time ends, marking the beginning of winter's dark evenings. Sleep experts don't support year-round daylight saving timeIdeally, the sun should reach its highest point at noon, according to sleep experts. Then at night, daylight saving can lead people to go to bed later, which can delay the body’s production of melatonin. These cumulative health risks likely influenced Mexico’s Senate vote last week to eliminate daylight saving time there. The original argument for delaying daylight doesn't hold upThe U.S. first adopted daylight saving time in 1918 to save oil and electricity during World War I.

☆ Tape your mouth shut to sleep better? 'I would definitely be careful' about the TikTok fad, expert says
▼ + stars: | 2022-10-07 | by ( Renée Onque | ) www.cnbc.com time to read: +2 min

Some argue that breathing through your mouth while sleeping "puts you at higher risk for sleep disorders like snoring, sleep apnea & hypopnea." A common reason why people are mouth taping is to decrease snoring. "I definitely would be careful when we talk about mouth taping." Benefits of nose breathing while sleeping and safer ways to do itSome people consider mouth taping to induce nose breathing throughout the night. Breathing through your nose while sleeping is good for overall health because it humidifies and filters the air better than mouth breathing, Dasgupta says.

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