Still, that doesn't mean you should never think about the future. And what you do today—tonight, even—can lay the foundation for better brain health as you age, especially if you turn a single smart choice around your nightly routine into a habit.
Another neurologist agrees, noting that nighttime is a pivotal period for your brain.
Dr. Hundal tells Parade that your brain recharges, repairs and organizes information from the day into memory while you sleep. A good night's rest also helps regulate your mood and reset attention for the next day, which 10/10 explains why you feel on edge after a bad night of sleep.
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This Nightly Habit Could Be Secretly Shrinking Your Brain, Neurologists Warn
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Dr. Mian notes that alcohol is toxic to brain cells. "It suppresses growth factors, which impairs the health of our neurons," Dr. Mian explains. "It’s like taking away sunlight and water from plants."
Dr. Jessica Zwerling, MD, MS, encourages people to consider how "wrinkled" their fingers can look after a long soak in the bathtub. Drinking can have a similar effect on the brain.
She notes that shrinking (or "atrophy") can also happen in white and gray matter areas (neurons and axons in the central nervous system that help you process information), adding that areas affected by the shrinking can include the cerebellum (the balance center) and the frontal lobes (known for judgment and planning).
"Alcohol acts as a sedative in the first half of the night," points out Dr. Bendheim. "In the second half of the night, as alcohol is metabolized, there is restless sleep, increased awakenings and a tendency towards unpleasant dreams—anxiety-laden."
Related: The Popular Lunchtime Habit Brain Health Experts Are Begging You To Stop
Over time, Dr. Hundal shares that repeatedly consuming alcohol can have a cumulative effect, worsening all of the above and more. In the most severe cases, that long-term alcohol use is associated with structural and functional changes in the brain.
How Much Alcohol Is Safe for the Brain?
There's not a "safe" amount of alcohol for brain health, although this was not always thought to be the case. "The conversation around this is shifting," Dr. Hundal explains. "Moderate use was previously considered relatively safe, but more recent data suggests even lower levels may have some negative impact on brain health. From a brain perspective, less is generally better."
"Although alcohol is deeply embedded in many cultural and social practices, the current evidence is clear: abstinence or very low consumption is generally the best choice for long-term brain and overall health," he explains.
"It is important to acknowledge that not using alcohol can create meaningful psychological and social difficulty for some individuals," Dr. Bendheim explains. "However, and importantly, that concern does not negate the broader medical-scientific evidence documenting beyond doubt that even modest alcohol use carries real and severe long-term health risks."
Neurologists advise against drinking at night, saying it can shrink the brain. However, other habits can support a more restful sleep and improved brain health—starting tomorrow. Below, they shared some of their favorite brain-healthy nightly habits.
"The brain functions best with regular sleep timing," Dr. Hundal says. "Most adults should aim for about seven to nine hours per night. Consistency helps regulate the brain’s internal clock, which improves sleep quality and supports memory, focus and overall cognitive performance."
2. Take a walk after dinner
"Insulin resistance causes damage to many structures in the body, including the arteries that feed our brain," Dr. Mian says. "Moreover, it reduces cortisol levels—the hormone that rises when we are stressed—which makes it easier to sleep. It makes it easier to shut your brain off, so you are not counting sheep or staring at the clock."
3. Limit screens before bed
"Late-night phone use and scrolling keep the brain stimulated and make it harder to transition into sleep," Dr. Mian says. "It delays the natural wind-down process and reduces sleep quality. Giving your brain time to disconnect helps it move into a more restorative state."
Related: We Asked 4 Brain Doctors the Best Daily Habit for Memory—Their Answers Were Identical
Sources:
Dr. Paul E. Bendheim, MD, a clinical professor at the University of Arizona College of Medicine – Phoenix and the founder of BrainSavers, Inc and author of The Brain Training Revolution: A Proven Workout For Healthy Brain Aging.Dr. Jasdeep S. Hundal, Psy.D. ABPP-CN, the director of The Center for Memory & Healthy Aging at the Jersey Shore University Medical Center’s Hackensack Meridian Neuroscience InstituteDr. Fawad Mian, MD, a neurologist and the founder of Ascend Regenerative. He is also board-certified in clinical neurophysiology and sleep medicineDr. Jessica Zwerling, MD, MS, the director of the Montefiore Einstein Center for the Aging Brain. She is also a professor of neurology and psychiatry at Albert Einstein College of MedicineSleep Abnormalities and Risk of Alzheimer’s Disease. Current Neurology and Neuroscience Reports.The effect of alcohol on subsequent sleep in healthy adults: A systematic review and meta-analysis. Sleep MedicineReviews. About Moderate Alcohol Use. CDC. Association Between Alcohol Consumption, Cognitive Abilities, and Neuropathologic Changes: A Population-Based Autopsy Study. Neurology.The Potential Effects of Red Wine and Its Components on Neurocognitive Disorders: A Narrative Review. Nutrients. Alcohol Consumption Patterns and Mortality Among Older Adults With Health-Related or Socioeconomic Risk Factors. JAMA Network Open.How Does Alcohol Affect Your Brain? Cleveland Clinic.Hence then, the article about neurologists warn this nightly habit could be secretly shrinking your brain was published today ( ) and is available on Parade ( Saudi Arabia ) The editorial team at PressBee has edited and verified it, and it may have been modified, fully republished, or quoted. You can read and follow the updates of this news or article from its original source.
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