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Tag: Melatonin

  • Melatonin Use Linked to Heart Failure Risk

    That popular sleep aid you might be taking could come with unexpected risks. A preliminary study presented at the American Heart Association’s Scientific Sessions 2025 suggests a concerning link between long-term melatonin use and an increased risk of heart failure.

    Provocative Findings on Heart Health

    The study, which reviewed medical records of thousands of adults with chronic insomnia, found that those who took melatonin for a year or longer had a staggering 90% higher risk of developing heart failure within the subsequent five years compared to individuals with insomnia who did not use the supplement. These findings are particularly striking given the widespread perception of melatonin as a safe, natural sleep aid.

    Dr. Muhammad Rishi, an associate professor of clinical medicine and spokesperson for the American Academy of Sleep Medicine, who was not involved in the study, described the findings as “provocative” and warranting attention. He noted that while the results are significant, the study’s observational nature and reliance on electronic health record data limit its ability to establish a definitive cause-and-effect relationship.

    Understanding Melatonin and Heart Failure

    Melatonin is a hormone naturally produced by the pineal gland, playing a crucial role in regulating the body’s sleep-wake cycle. Synthetic versions are commonly used to treat insomnia. Heart failure, on the other hand, is a condition where the heart struggles to pump enough oxygen-rich blood to the body’s organs, affecting approximately 6.7 million adults in the United States, according to the 2025 Heart Disease and Stroke Statistics.

    Dr. Ekenedilichukwu Nnadi, the lead research author and chief resident in internal medicine at SUNY Downstate/Kings County Primary Care, expressed surprise at the consistent and significant increases in serious health outcomes observed, even after accounting for various factors. He highlighted that the study’s results were striking, especially considering the common belief in melatonin’s safety.

    Study Limitations and Future Research

    It’s important to note that this study has not yet undergone peer review or formal journal publication. Researchers are scheduled to present their findings at the American Heart Association’s Scientific Sessions 2025 in New Orleans, taking place from November 7–10. While the results are concerning and suggest a need for caution, further research is necessary to confirm these findings and understand the potential mechanisms behind this observed link.

    This preliminary research challenges the notion of melatonin as universally benign and underscores the importance of discussing sleep aid usage with healthcare providers, especially for individuals with pre-existing heart conditions or chronic insomnia.

    What are your thoughts on this study linking melatonin to heart failure risk? Have you experienced any side effects from sleep aids? Share your experiences in the comments below!

  • 4 Exercises to Combat Insomnia

    If you find yourself tossing and turning, struggling to fall asleep or stay asleep, you might be dealing with insomnia. This common sleep disorder affects millions, leading to daytime fatigue and potentially serious long-term health issues like heart disease, high blood pressure, and diabetes. While lifestyle changes, therapy, and medication are common treatments, a growing body of research highlights the powerful role of exercise in improving sleep.

    Exercise: A Natural Sleep Aid

    Studies consistently show that regular physical activity can enhance sleep quality, reduce sleep disturbances, and shorten the time it takes to fall asleep (sleep latency). A recent systematic review published in BMJ Evidence-Based Medicine analyzed various exercise-based treatments for insomnia, identifying which activities yield the best results. The study looked at 1,348 insomnia patients across 22 trials, examining 13 different interventions.

    Committing to certain exercises could make a significant difference in your sleep quality. Here are four effective options backed by research:

    1. Yoga for Total Sleep Time

    Yoga emerged as a top contender in the BMJ study, showing the largest increase in total sleep time (TST). It also improved sleep efficiency by 15% and reduced sleep latency. Its focus on mindfulness, body awareness, and breathing makes it particularly effective for calming the mind and preparing the body for rest. Gentle poses like Child’s Pose, Corpse Pose, or Legs-Up-the-Wall Pose practiced before bed can be highly beneficial. Aim for at least a few sessions per week.

    2. Tai Chi for Long-Lasting Effects

    Similar to yoga, tai chi uses gentle movements, deep breathing, and meditation to calm the nervous system, reduce anxiety, and promote emotional regulation. The study found that tai chi improved all sleep diary responses, including total sleep time and latency. Remarkably, its benefits persisted for six months to two years, offering the longest-lasting effects among the exercise strategies reviewed. Practicing tai chi for 45-60 minutes several times a week can be highly effective.

    3. Walking or Jogging for Mood and Melatonin

    Simple activities like walking or jogging can significantly boost your mood and increase melatonin production, the hormone that regulates your sleep-wake cycle. These exercises reduced insomnia severity scores by nearly 10 points in the study. Aim for 30-75 minutes of walking or jogging three to five times per week. Even a brisk walk can make a difference, and you can gradually work up to jogging if desired.

    4. Strength Training & Aerobic Exercise Combo

    Combining aerobic exercises (like walking, running, swimming, or dancing) with strength training showed significant improvements in total sleep time, sleep efficiency, and sleep latency. This dual approach not only aids sleep but also reduces the risk of heart disease, obesity, and diabetes. Strength training also helps build muscle mass, improve bone density, and decrease injury risk, contributing to overall well-being.

    Timing and Enjoyment are Key

    While exercising at a time that suits your schedule is important, it’s recommended to complete workouts at least one to two hours before bedtime. This allows your heart rate and body temperature to decrease, which is essential for falling asleep. Choosing an activity you genuinely enjoy and can stick with consistently is the most crucial tip for long-term success. With regular practice, you may start seeing improvements in your sleep quality within a few weeks.

    Are you ready to try incorporating exercise into your routine to combat insomnia? Which of these activities will you try first? Share your thoughts in the comments below!