Do Infrared Saunas Boost Athletic Performance?

After a tough workout, few things feel better than stepping into the deep, soothing warmth of an infrared sauna. But what if that post-training sweat session could do more than just help you relax? Well, research¹ shows that infrared saunas can be a promising tool for boosting athletic performance.

Infrared saunas use infrared (IR) light to directly heat the body, rather than heating the air around you, resulting in deep, penetrating warmth. Athletes and fitness enthusiasts alike are turning to this practice to boost recovery, bounce back faster, and improve endurance.

Below, we explore many science-backed benefits that infrared saunas can provide to improve athletic performance. Whether you’re a professional athlete or someone passionate about fitness, read on to learn how IR saunas can elevate your workout routine.

5 Ways that Infrared Saunas Support Athletic Performance

For centuries, saunas have helped people relax, soothe pain, and support their overall wellness. They traditionally use rocks, stoves, or electric heaters to warm the air around you, often with steam, promoting a powerful sweat response and deep relaxation.

Infrared saunas are a modern take on this time-honored practice. Powered by infrared (IR) radiation, they use a deep-penetrating light to heat you directly instead of the air. This triggers a more powerful sweat response at a lower temperature than traditional saunas, and without any steam.

When incorporated into your fitness routine, infrared saunas can provide many potential benefits for improving athletic performance. Let’s take a closer look at some of these advantages below:

1. Improves Muscle Elasticity

Muscle elasticity is how well a muscle returns to its regular length after being stretched. Think of muscle fibers like rubber bands. While a tight, inflexible one limits movement, an elastic one can stretch and snap back powerfully.

Muscle elasticity plays a key role in athletic performance. In fact, a recent Nike study found that springier muscles may reduce the risk of injury, boost recovery, and improve performance for marathon runners.²

Infrared saunas can be a powerful tool for improving muscle elasticity. Near-infrared light induces long-lasting vasodilation, or the widening of blood vessels.³ This improves circulation so your blood can deliver oxygen and nutrients to recovering muscles more efficiently.

Over time, this circulation boost can decrease stiffness and enhance overall flexibility. One study found that infrared therapy increased muscular elasticity in participants by 23%.⁴

2. Enhances Sleep Quality

Sleep is an essential part of any athlete’s performance toolkit. It replenishes energy, supports recovery, and helps you stay alert while training or competing. In fact, one study involving tennis players found that better sleep improved serving accuracy from 36% to 42%.⁵ Another study saw it boost speed and reaction times in swimmers.⁶

On the other hand, poor sleep quality can hinder strength and speed, increase the likelihood of injuries, and impair cognitive functions like focus and quick decision-making that are essential for athletic performance.⁷

An infrared sauna can be a valuable asset for improving sleep quality. By activating the parasympathetic nervous system—which regulates your ability to relax—it helps reduce stress and soothe tension, preparing the body for a fulfilling night’s sleep.^8,9

A global sauna survey found that 83.5% of participants noticed better quality sleep after regularly using a sauna.¹⁰

3. Supports Cardiovascular Health

Cardiovascular health (heart health) is one of the most important aspects of athletic performance. When your heart is healthy, your body can transport oxygen more efficiently, remove waste products from muscles faster, and sustain energy levels during training and competition.

Infrared saunas offer multiple benefits that can support a healthy heart. Like any other muscle, your heart needs regular stimulation to stay strong. Just one session in an infrared sauna has the same effect on your body as moderate exercise, which helps strengthen your heart and improve circulation over time.¹¹ This allows more blood to reach your muscles and lungs during exercise, raising oxygen levels throughout the body and improving endurance.

Studies also show that with regular use, infrared saunas may help lower blood pressure for a stronger, healthier heart overall.¹¹

4. Minimizes Muscle Soreness

After an intense workout, it’s common to feel lasting discomfort for a few days. This is called delayed onset muscle soreness (DOMS). While it’s a completely normal part of exercise, it can hinder performance by minimizing range of motion, increasing susceptibility to injury, and making it harder for your body to absorb impacts.¹²

Infrared saunas can be a promising recovery tool for athletes. Intense heat followed by a cool-down period relaxes muscles, blood vessels, and nerves, which helps blood, nutrients, and waste flow more efficiently throughout the body.¹³ This speeds up the recovery process, allowing you to bounce back quicker. In fact, one study found that infrared therapy can reduce muscle soreness by as much as 60%.¹⁴

Learn more about Infrared Saunas and workout recovery >>>

5. Supports Mental Health

From intense training schedules to the constant pressure to perform, athletic life can be incredibly demanding. Balancing competition, recovery, and personal expectations can take a significant toll on mental health.

A meta-analysis of twenty-two different studies showed that 34% of elite athletes experience symptoms of anxiety and depression.¹⁵ This can increase the risk of injury and hinder performance outcomes.¹⁶

In a study, regular sauna bathers had less self-reported anxiety, higher levels of happiness, and an improved overall sense of mental well-being.⁹ Over time, this can increase mental clarity, boost motivation, and ultimately lead to better athletic performance.

Learn more about Infrared Sauna mental health benefits >>>

Note: Always consult with a healthcare professional before starting any new health or wellness regimen, including the use of infrared saunas, to ensure it is appropriate for your individual health needs.