Health
Simple nightly habit linked to healthier blood pressure, study suggests
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A consistent bedtime may play a meaningful role in lowering blood pressure, according to new research examining how sleep timing affects cardiovascular health.
While most people think primarily about getting enough hours of sleep, experts say when you sleep also has an important effect on heart health.
Dr. William Lu, medical director at Dreem Health in San Francisco, told Fox News Digital that sleep duration and sleep timing work together, and that consistency is a key part of supporting cardiovascular wellness.
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“Both matter, but growing evidence shows regularity — going to sleep and waking at roughly the same times night-to-night — is an independent predictor of cardiovascular risk even after accounting for total sleep time,” Lu said.
Recent findings have supported that connection. In a study published in the journal Sleep Advances, adults with high blood pressure who kept a consistent bedtime for two weeks saw modest but meaningful improvements in their readings, even though they did not sleep longer hours.
A consistent bedtime may play a meaningful role in lowering blood pressure, according to new research examining how sleep timing affects cardiovascular health. (iStock)
Participants reduced their night-to-night bedtime variability from about 30 minutes to only a few minutes, and researchers said that simple change helped restore healthier blood pressure overnight.
Even a modest nighttime drop in systolic pressure can lower cardiovascular risk, experts say.
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The concept is supported by research into circadian rhythms and the body’s natural blood-pressure patterns.
“Consistent bed and wake times keep your internal circadian clock synchronized to Earth’s day-night cycle,” Lu said.
Both sleep duration and consistent timing are important for heart health, according to experts. (iStock)
A steady sleep schedule helps the body release important hormones, like melatonin and cortisol, at the right times, which supports the natural rise and fall of blood pressure throughout the day and night, according to the doctor.
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Disruptions in sleep timing can affect blood pressure more quickly than many people realize, Lu warned. While some people assume that shifting their bedtime on weekends or staying up late occasionally has little impact, the expert said the body responds almost immediately.
Regular sleep times help maintain the body’s natural blood-pressure rhythm, which can be disrupted when bedtimes shift. (iStock)
For people trying to build a more consistent sleep routine, Lu recommends starting with the morning wake-up time.
“Start with a fixed wake time every day, including weekends, and anchor the schedule with morning light exposure — then set a consistent bedtime that gives you enough sleep before that wake time,” he advised. “Pick a wake time you can sustain and get 30 minutes of morning light after waking up.”
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He also recommends adding a brief wind-down routine before bed and cutting back on stimulants and screen use in the evening.
Improving sleep timing is a low-risk change that may help lower blood pressure, Lu said, adding that consistent bedtimes should be used in addition to anti-hypertensive medications, not as a substitute.
Potential limitations
The study did have some limitations, the researchers acknowledged.
The sample size was relatively small, consisting of 11 middle-aged adults with obesity and hypertension. It was also a two-week period, which means researchers could measure only short-term changes.
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The study also lacked a control group or randomization, so it couldn’t prove that the blood-pressure improvements were caused by more consistent bedtimes or by other lifestyle factors, such as diet, stress or medication changes. Larger, longer-term studies are needed to confirm the findings.
Anyone considering changes to their sleep schedule for blood-pressure benefits should first speak with a doctor.
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By Apoorva Mandavilli, Alexandra Ostasiewicz, Nikolay Nikolov, Stephanie Swart, Rafaela Balster and Lauren Pruitt
June 23, 2026
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Just four minutes of daily strength exercises can dramatically improve mobility, balance and leg strength in older adults, per new research from the Penn State College of Medicine.
Standard public health guidelines recommend at least 150 minutes of moderate exercise per week. However, the study suggests that fewer than one in five older adults meet the recommended muscle-strengthening guidelines.
The research team designed a home-based program called Functional Activity Strength Training, or FAST-2. They evaluated 97 sedentary participants 65 and older, with an average age of 74.
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Before entering the study, these individuals were averaging just 18 minutes of total physical activity each week.
The older adults were randomly split into two groups, with one group performing the daily exercise routine and the other serving as a control group that received no intervention, according to the study’s press release.
Just four minutes of daily home strength training can significantly improve mobility, balance and leg strength in older adults, according to a Penn State College of Medicine study. (iStock)
Participants performed four basic movements for 30 seconds each, separated by 30-second rest intervals. The entire routine lasted exactly four minutes. The circuit consisted of push-ups, chair stands, two-arm resistance-band rows and stair stepping.
To keep the routine accessible, researchers provided written explanations and simple modifications. For example, participants could perform push-ups against a kitchen counter or wall, or use their hands on their knees for support during chair stands.
Participants were also given four elastic resistance bands and an adjustable step platform.
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“Exercise is actually really complicated, because you have to decide how many repetitions, how far, how many sets, how much rest and how many times per week,” co-author Smita Dandekar, associate professor of pediatrics at Penn State College of Medicine, said in the press release.
“It’s hard work … so if we can make it short, we’re part [of the] way there.”
The program consisted of four basic movements: push-ups, chair stands, resistance-band rows and stair stepping. (iStock)
As the participants grew stronger, they were encouraged to progress to higher levels of difficulty, such as transitioning away from modifications or increasing the height of the stepper.
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After 12 weeks, the results suggested that a tiny dose of regular exercise could yield noticeable physical benefits. In a 30-second chair-stand test, the exercise group performed an average of 4.2 more repetitions than the control group.
“These indicators … give you a sense of whether or not you’re going to be able to be active in the future.”
The adults doing the exercises also shaved 2.3 seconds off their time during a test measuring how they could stand up and sit down five times consecutively. Furthermore, they extended their one-legged balance time by an average of 3.6 seconds.
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The researchers emphasized that these specific measurements are critical medical indicators of an older adult’s future health.
By keeping the routine ultra-short, researchers eliminated common barriers like time constraints and exhaustion, resulting in an exceptionally high 81% workout completion rate. (iStock)
“These indicators predict your future ability to go into a nursing home, your future likelihood of falling and of developing difficulty walking,” noted lead author Christopher Sciamanna, professor of medicine and of public health at Penn State College of Medicine, in the press release.
“They give you a sense of whether or not you’re going to be able to be active in the future.”
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While traditional home exercise programs generally see low engagement, the participants in this study successfully completed their workouts on 81% of the tracked days, according to the researchers.
After 12 weeks, exercising seniors gained the ability to complete an average of four more chair-stand repetitions than those who did not exercise. (iStock)
The study had several noted limitations. As it tracked a relatively small sample size of fewer than 100 individuals over a brief 12-week time frame, it is unknown whether these mobility gains can be sustained long-term.
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Additionally, the researchers did not specify the exact dropout rates or detail how the routine might affect seniors who already relied on assistive devices like walkers or canes.
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Because the final trial results reflected a specific group of participants who met the entry criteria, further investigation is required to determine whether the short routine can safely benefit older adults facing more severe physical limitations or cognitive decline.
The study was published in the journal PLOS One.
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Jill Smokler, founder of Scary Mommy, has died at age 48 after a battle with glioblastoma, an aggressive form of brain cancer.
The popular “mommy blogger” had been fighting the disease for the past two years, according to an announcement posted on ScaryMommy.com on Monday.
The stay-at-home mother of three launched the blog in 2008 as a place to share the “joys and pitfalls” of parenting, according to the article.
As Scary Mommy expanded from a personal blog into a major parenting brand, Smokler built a following with her honest, often self-deprecating take on motherhood. She went on to speak at blogging conferences, author bestselling books, appear on national television programs and earn three Webby Awards, her biography states.
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“Jill spent her life telling the truth about motherhood — that it could be wonderful and impossible in the very same breath — and in doing so, she gave millions of women permission to stop pretending and feel a little less alone,” her family shared in a statement following her passing.
Jill Smokler, founder of Scary Mommy (pictured in 2018), has died at age 48 after a battle with glioblastoma, an aggressive form of brain cancer. (Lloyd Fox/Baltimore Sun/ZUMA Press Wire / Shutterstock)
“She was funny, fearless, generous and entirely herself. More than anything she built, Jill was proudest of her three children, Lily, Ben and Evan. We are heartbroken to lose her, and endlessly proud of the mark she left on the world.”
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Smokler’s first sign of the disease was in April 2024, when she experienced a sudden seizure. She then underwent surgery to remove a brain tumor, after which she didn’t recognize her own children, she previously shared with Today.
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“I am definitely grateful that I don’t remember the looks on their faces when I didn’t recognize them,” she said. “That must have been gutting.”
Smokler was diagnosed with glioblastoma, the most common malignant primary brain tumor in adults and one of the deadliest forms of brain cancer. There is currently no cure.
About 13.9% of all brain tumors are glioblastomas, according to the American Brain Tumor Association. (iStock)
Following surgery, the blogger underwent radiation and chemotherapy, during which she was open about her treatment side effects, including fatigue and hair loss. Additional surgeries and clinical trials followed, according to previous interviews.
“Thank you, Jill, for everything. May you rest in peace,” the Scary Mommy post concluded.
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About 13.9% of all brain tumors are glioblastomas, according to the American Brain Tumor Association. More than 12,000 new cases are diagnosed in the U.S. each year.
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Median survival is approximately 12 to 18 months after diagnosis, even with treatment. Only about 5% to 7% of patients survive five years after diagnosis, data shows.
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