Sauna Before or After Exercise? Here's What the Science Says

You’ve just finished a great workout. Your muscles are tired, your heart rate is elevated and you’re thinking, “Should I head into the sauna now, or would it have been better before I trained?”

It’s one of the questions we’re asked most often at BLAST PIT Fitness & Empowerment. The answer is simple. Both can be beneficial but for different reasons.

Whether you’re trying to recover faster, improve your performance or simply relax after a busy day, understanding when to use a sauna can help you get the most from every session.

Let’s look at what science says.

Why Saunas Have Been Used for Thousands of Years

Long before recovery became a fitness trend, cultures around the world understood the power of heat. Traditional saunas have been used for centuries to:

Relax muscles
Improve circulation
Reduce stress
Promote relaxation
Support overall wellbeing

Today, research continues to show that regular sauna use may contribute to improved cardiovascular health, better recovery and reduced stress when used safely as part of a healthy lifestyle. At BLAST PIT, we see the sauna as more than a luxury, it’s a powerful recovery tool.

Should You Sauna Before a Workout?

Yes but it depends on your goal. Using a sauna before exercise may help prepare your body by:

Increasing body temperature
Improving circulation
Loosening stiff muscles
Increasing joint mobility
Helping you feel mentally relaxed before training

For people who feel particularly tight or stiff before exercising, a short sauna session can help make movement feel more comfortable. However, longer sessions immediately before a hard workout may leave you feeling fatigued or dehydrated.

Before Workout Recommendation

If using the sauna before training:

Keep sessions short (5–10 minutes)
Drink plenty of water
Avoid if you’re already dehydrated
Finish with time to cool down before exercising

For most people, the greatest benefits come after the workout.

Why Sauna After Exercise Is Usually the Better Choice

This is where traditional sauna use really shines. After strength training, your body begins the recovery process. Your muscles have been challenged, your nervous system has been working hard and your body now needs time to repair and adapt.

A sauna session can help you transition into recovery by promoting relaxation and helping you unwind after exercise.

Many people also report:

Reduced muscle stiffness
Feeling less tense
Improved relaxation
Better sleep after evening workouts

While research is ongoing, many athletes and active adults include sauna sessions as part of their recovery routine because they enjoy these benefits.

Sauna Doesn’t Replace Recovery, It Supports It

One of the biggest misconceptions is that sitting in a sauna alone will speed recovery. Recovery is much bigger than one activity.

It includes:

Quality sleep
Good nutrition
Adequate protein
Hydration
Mobility
Stress management
Appropriate exercise

Think of the sauna as one important piece of the puzzle, not the entire puzzle.

Can Sauna Help With Weight Loss?

This is one of the biggest myths online. You’ll often see claims that a sauna “burns fat.” Let’s clear that up.

Sauna use does not directly burn body fat. The weight you lose during a sauna session is almost entirely water. Once you rehydrate, that weight returns. However, sauna sessions may support a healthy lifestyle in other ways.

Many people find they:

Feel more relaxed
Recover better
Sleep more deeply
Experience less stress

When you feel better, you’re more likely to stay consistent with exercise and healthy habits. And consistency is what drives lasting fat loss.

What Happens Inside Your Body During a Sauna Session?

As your body heats up:

Blood vessels widen
Heart rate increases
Blood circulation improves
Sweating begins
Your body works to regulate its temperature

Many people describe leaving a sauna feeling lighter, calmer and mentally refreshed. That feeling isn’t just physical. For many, the sauna becomes valuable time to disconnect from work, phones and daily pressures.

Hydration Is Essential

Sweating is a normal part of sauna use. That also means you’re losing fluid.

To stay safe:

✔ Drink water before entering the sauna.

✔ Rehydrate afterwards.

✔ Replace fluids if you’ve completed an intense workout.

If you’re exercising and using the sauna in the same session, hydration becomes even more important.

A good habit is to keep a water bottle nearby and continue sipping water after your session.

Who Should Be Careful Using a Sauna?

Although saunas are safe for many healthy adults, they aren’t suitable for everyone.

You should speak with your doctor before using a sauna if you have:

Uncontrolled high blood pressure
Significant heart disease
Recent illness with fever
Severe dehydration
Certain medical conditions where heat exposure may not be appropriate

If you’re pregnant or have any health concerns, seek medical advice before beginning sauna use. If you ever feel dizzy, faint or unwell, leave the sauna immediately and cool down.

Sauna and Strength Training: The Perfect Partnership

One of the reasons we built BLAST PIT around recovery is because strength and recovery belong together. Training creates the stimulus and recovery helps your body adapt.

That’s why so many of our members love this sequence:

Step 1

Strength Training: Challenge your muscles, build strength, improve fitness.

↓

Step 2

Traditional Sauna: Relax, unwind, support recovery.

↓

Step 3

Recovery: Hydrate, refuel, sleep well, come back stronger.

Recovery isn’t something you do when you’re injured, it’s something you do so you can keep performing at your best.

The BLAST Approach

Many gyms stop at the workout, we don’t. Our philosophy is simple – exercise should leave you stronger, not exhausted.

That’s why BLAST PIT combines:

Strength training
Traditional sauna
Ice baths
Remedial massage
Coaching
Community

Because feeling your best isn’t just about how hard you train, it’s about how well you recover.

Frequently Asked Questions

Is it better to sauna before or after a workout?

For most people, after exercise provides the greatest recovery benefits. A short session before training can also help loosen muscles and prepare the body for movement.

How long should I stay in a sauna?

Many people enjoy sessions of 10–20 minutes, depending on experience, heat tolerance and hydration. If you’re new to saunas, start with shorter sessions and gradually build up.

Can I use the sauna every day?

Many healthy adults safely enjoy regular sauna use, but it depends on your health, hydration and personal tolerance. If you’re unsure, speak with your healthcare professional.

Does sauna burn fat?

No. Saunas don’t directly burn body fat. Any immediate weight loss is primarily due to fluid loss through sweating, which returns once you rehydrate.

Should I have an ice bath after the sauna?

Many people enjoy alternating heat and cold, known as contrast therapy. While some find it refreshing and beneficial, it’s important to introduce this gradually and ensure it’s appropriate for your health and goals.

Final Thoughts

There isn’t one perfect time to use a sauna. It depends on what you’re trying to achieve. If your goal is preparing stiff muscles before movement, a short sauna session beforehand may help. If your goal is recovery, relaxation and winding down after exercise, using the sauna after your workout is generally the better choice.

The most important thing isn’t whether you sauna before or after. It’s that you’re exercising consistently, recovering well and building habits you can maintain for years to come. That’s where lasting health is built.

Nick’s Recommendation

“One of the biggest mistakes I see is people putting all of their effort into the workout and almost none into recovery. Your body doesn’t get stronger while you’re lifting weights, it gets stronger when it has time to recover. If you want better results, don’t just train hard. Recover with purpose.“

Nick Creative & Founder,

BLAST PIT Fitness & Empowerment

How We Do It at BLAST PIT

At BLAST PIT, we don’t believe in crash diets or punishing workouts.

We help build sustainable habits through a simple but powerful formula:

Strength Training to build muscle and support metabolism.
Recovery through traditional sauna, ice baths and remedial massage.
Coaching that meets you where you’re at.
Community that keeps you accountable and motivated.

Because the goal isn’t just to lose weight, it’s to build a body that’s strong, capable and ready for whatever life throws at you.

Ready to Feel Stronger, Healthier and More Energised?

Whether your goal is to lose weight, build strength, improve mobility or simply feel like yourself again, we’re here to help.

At BLAST PIT Fitness & Empowerment, we specialise in helping adults over 40 build strength, improve their health and create lasting lifestyle change through expert coaching, recovery and community.

Try our 14 Day BLAST Experience for just $49 (Valued at $320).

Experience unlimited gym access, group classes, sauna and ice baths, plus a complimentary consultation to help you get started with confidence.

Discover how the BLAST approach can help you achieve results that last.

Start your 14 Day BLAST Experience today.