Does Sleep Position Affect Your Heart More Than You Think? May 8, 2026 This article is for general informational purposes only and is not intended as medical advice. Always consult your doctor or healthcare team before making any changes to your sleep or health routine. Can Your Sleeping Position Affect Heart Health? When it comes to supporting your heart health, most people focus on what they eat or how often they exercise. But there’s another factor that often gets overlooked—your sleeping position. It might seem minor, but how you settle in each night can play a role in how well your heart functions while you rest. Sleep: Your Heart’s Overnight Reset While you sleep, your body isn’t simply “switching off.” It’s actively restoring and regulating vital systems, including your cardiovascular system. The position you sleep in can influence breathing, circulation, and how much effort your heart needs to make throughout the night. Even small disruptions—like restricted airflow—can have a knock-on effect over time.1 Back Sleeping: Neutral but Not for Everyone Sleeping on your back is often considered a balanced position. It keeps your head, neck, and spine aligned, which can reduce physical strain. However, this position doesn’t suit everyone. For people prone to snoring or sleep apnea, lying on your back can make breathing more difficult, which may indirectly impact heart health if left unaddressed.1 Left Side: The Circulation Sweet Spot? You may have heard that sleeping on your left side is best—and there’s some truth to it. This position can support healthy blood flow and reduce pressure on key blood vessels, potentially making it easier for your heart to pump efficiently.2 That said, it doesn’t feel comfortable for everyone. Some people, particularly those with certain heart conditions, may notice increased awareness of their heartbeat in this position. Right Side: The Comfortable Middle Ground Sleeping on your right side is another common choice and is generally considered safe for most people. While it may not offer the same circulation benefits often linked to left-side sleeping, it doesn’t typically place extra strain on the heart either. In many cases, comfort and consistency matter more than chasing the “perfect” position.3 Stomach Sleeping: A Tough Position to Love If you’re a stomach sleeper, it might be worth reconsidering. This position can strain your neck and spine while also restricting natural breathing patterns. Over time, poor breathing can affect oxygen levels in the blood, which may place additional stress on your heart.3 It’s Not Just How You Sleep—It’s How Well While sleeping positions matter, sleep quality is just as important for heart health. Constant tossing and turning or waking throughout the night can interrupt the restorative processes your body depends on. Building simple habits—like keeping a regular bedtime and creating a calm, screen-free wind-down routine—can go a long way in supporting both sleep and heart function. The Bottom Line Your sleeping position isn’t the sole factor in heart health, but it’s an easy adjustment that can make a difference. Finding a position that allows for comfortable, uninterrupted sleep and steady breathing is key. If you’re regularly experiencing poor sleep, discomfort, or symptoms like shortness of breath or chest pain at night, don’t ignore them. Speak with a healthcare professional to rule out any underlying issues and get tailored advice to support both your sleep and your heart health. How Sove CPAP Clinic Can Help Founded in 2008, Sove CPAP Clinic has grown to become a leading provider of respiratory and sleep services and products in Australia, with over 90 clinics nationwide. Our comprehensive clinical team includes Respiratory & Sleep Specialists, Sleep Technologists, and CPAP Consultants, ensuring you receive personalised care. All medical procedures, including sleep studies and lung function testing, are bulk billed to all eligible Australians, with minimal wait time. If you would like to speak to a Respiratory & Sleep Physician, book a bulk-billed sleep study, or seek advice for sleep apnea, you can reach us at 1300 76 29 39 or info@thecpapclinic.com.au. ALWAYS FOLLOW THE DIRECTIONS FOR USE. CPAP is used for Obstructive Sleep Apnea treatment. When considering whether a sleep study or CPAP is right for you, speak to your doctor. Medicare criteria and T&Cs apply. References 1 “Can Sleep Position Affect Your Heart and Brain Health?” American Heart Association, 24 Jan. 2025, www.heart.org/en/news/2025/01/24/can-sleep-position-affect-your-heart-and-brain-health. 2 BetterSleep Team. “What Is the Healthiest Sleep Position for Your Heart?” BetterSleep, 7 Apr. 2025, www.bettersleep.com/sleep-science/what-is-the-healthiest-sleep-position-for-your-heart. Accessed 24 Apr. 2026. 3 Suni, Eric. “What Are the Best Positions for Sleeping?” Sleep Foundation, 29 Apr. 2021, www.sleepfoundation.org/sleeping-positions.
