{"id":1439,"date":"2026-05-23T07:34:10","date_gmt":"2026-05-23T07:34:10","guid":{"rendered":"https:\/\/tampamovingjournal.com\/?p=1439"},"modified":"2026-05-23T07:34:10","modified_gmt":"2026-05-23T07:34:10","slug":"finding-the-sleep-sweet-spot-could-help-you-live-longer-study-suggests","status":"publish","type":"post","link":"https:\/\/tampamovingjournal.com\/?p=1439","title":{"rendered":"Finding the sleep ‘sweet spot’ could help you live longer, study suggests"},"content":{"rendered":"
\n
\"\"<\/figure>\n article<\/span><\/div>

FILE-A woman sleeping in a bed with pillows. (Photo by Godong\/Universal Images Group via Getty Images)<\/span> <\/p>

Read more Bay Area doctors warn diluting baby formula can be life-threatening for infants<\/a><\/p> <\/div><\/div> <\/div>

How long you sleep could be linked to how long you\u2019ll live.<\/p>

A new study, published in the journal Nature, found that people who slept too little or too long<\/u> showed signs of “older biology.”<\/p>

Researchers from Columbia University in New York used global biobank data from about 500,000 people who disclosed self-reported sleep duration in a 24-hour period, including naps.<\/p>

DEEP SLEEP CAN KEEP TWO BIG HEALTH PROBLEMS AT BAY, NEW STUDIES SUGGEST<\/u><\/strong><\/p>

<\/div>

Reported sleep times were compared with 23 biological aging clocks, estimating whether various parts of the body looked biologically older or younger than the individual\u2019s actual age.<\/p>

Short and long sleep were both linked with signals of a higher biological age. They were also associated with a higher risk of future diseases<\/u> and all-cause mortality, the researchers found.<\/p>

In nine of the aging clocks, the researchers found “statistically significant” links between sleep and aging, including in the brain, heart, immune system and skin.<\/p>

Those with the “lowest biological age gap” were women who slept for 6.5 to 7.8 hours<\/u> and men who slept for 6.4 to 7.7 hours, according to the study.<\/p>

Longer sleep had a stronger link to psychiatric-related outcomes, while short sleep had more physical impacts on cardiovascular, metabolic, musculoskeletal, psychiatric, neurological, pulmonary and gastrointestinal conditions<\/u>.<\/p>

HERE’S WHY 90% OF AMERICANS DON’T SLEEP THROUGH THE NIGHT, ACCORDING TO EXPERT<\/u><\/strong><\/p>

The U-shaped results also showed that shorter sleep led to a 50% higher relative risk for all-cause mortality<\/u>, while longer sleep had about a 40% higher risk.<\/p>

The researchers noted that self-reported sleep poses a limitation to the study. As it was observational in design, it does not prove that sleeping exactly six to eight hours will slow aging.<\/p>

Saema Tahir, MD, a New York-based board-certified sleep medicine physician, reflected on these findings in an interview with Fox News Digital.<\/p>

“Sleep is really when the body does its most critical repair work, including cellular restoration, immune regulation, hormonal balance, and even clearing out metabolic waste<\/u> from the brain through what we call the glymphatic system,” said Tahir, who was not involved in the study.<\/p>

AGING PROCESS COULD ACCELERATE DUE TO ‘FOREVER CHEMICALS’ EXPOSURE, STUDY FINDS<\/u><\/strong><\/p>

“When sleep is consistently too short or too long, those processes get disrupted. Over time, that disruption accumulates at the cellular level.”<\/p>

This effect is proven in increased inflammatory markers and cellular changes, which are “hallmarks of accelerated aging<\/u>,” Tahir noted.<\/p>

“So, the relationship isn’t just correlational; there are real physiological mechanisms connecting poor sleep to the body aging faster than it should.”<\/p>

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Tahir cautions her patients not to treat the six- to eight-hour recommendation as a “rigid prescription,” as sleep is individualized.<\/p>

For example, a healthy 25-year-old and a 70-year-old with cardiovascular disease<\/u> have “very different sleep architecture and needs,” according to the expert.<\/p>

DO WOMEN NEED MORE SLEEP THAN MEN? HERE\u2019S WHAT EXPERTS THINK<\/u><\/strong><\/p>

“What I tell my patients is to use that range as a starting framework, but pay attention to how you feel,” she advised. “Are you waking up refreshed? Can you stay alert throughout the day without caffeine propping you up? Those functional cues matter just as much as the number on the clock.”<\/p>

For certain people, like pregnant women<\/u>, athletes and people recovering from illness, these sleep needs can shift “considerably.”<\/p>

“Sleep duration is important, but … getting adequate sleep and REM sleep that allows our bodies to heal, clear, process and repair is much more important,” Tahir said.<\/p>

Regardless of sleep time, those who don\u2019t achieve quality sleep often struggle, she shared.<\/p>

“I’ve seen patients who log seven hours but spend most of that time in light sleep, barely touching the deep slow-wave or REM stages<\/u> that are most restorative,” Tahir said. “They age just as poorly, sometimes worse, than someone getting six hours of genuinely consolidated, high-quality sleep.”<\/p>

Deep sleep is the phase when growth hormone is released and tissue repair peaks, and REM sleep is “critical” for cognitive health and emotional regulation<\/u>, according to the expert.<\/p>

“So, chasing hours without addressing sleep fragmentation, sleep apnea<\/u> or poor sleep architecture is missing the bigger picture,” she said.<\/p>

The takeaway from this study, according to Tahir, is that sleep is not a “lifestyle<\/u> luxury,” but a “biological necessity with measurable consequences for how we age and how healthy we are.”<\/p>

There’s still a cultural tendency to see sleep deprivation as a “badge of productivity,” which she pushes back against. “But I also want people to avoid the other extreme \u2014 health anxiety<\/u> about their sleep can actually make sleep worse.”<\/p>

The sleep expert concluded that “consistent, good-quality sleep is one of the most accessible tools we have for healthy aging.”<\/p>

“It doesn’t require a prescription or expensive intervention \u2014 it requires prioritization.”<\/p>

Read more St. Pete shooting in Childs Park neighborhood leaves 1 hospitalized: Police<\/a><\/p>

Get the latest updates on this story at FOXNews.com<\/u><\/strong><\/i><\/p> <\/div>","protected":false},"excerpt":{"rendered":"

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