How to Use a Sauna: A Complete Guide for Beginners

Stepping into a sauna for the first time is an exciting step toward building a rewarding and relaxing routine. For centuries, cultures around the world have utilized heat therapy as a way to unwind, promote sweating, and create a dedicated space for quiet reflection. However, if you have never used a sauna before, the intense heat and unfamiliar environment can feel intimidating.

You might find yourself wondering what to wear, how long you should stay inside, where you should sit, and what you should do once you step out. Establishing a solid foundation of knowledge is crucial for ensuring that your first few sessions are safe, comfortable, and enjoyable.

This comprehensive guide will walk you through exactly how to use a sauna. We will cover the essential pre-sauna preparations, step-by-step protocols for beginners, proper sauna etiquette, and how to build a routine that works best for your body.

1. Preparing for the Sauna

The key to a great sauna session begins before you even open the wooden door. Proper preparation ensures your body is ready to handle the heat and helps keep the sauna clean for everyone.

Hydrate Early and Often

Heat causes you to sweat, which means your body will be losing fluids rapidly. Drink at least 16 to 32 ounces of water in the hours leading up to your sauna session. Avoid entering a sauna if you are dehydrated, and steer clear of alcohol or heavy caffeine right before your session, as these can increase dehydration and heart rate.

Hydration and a clean towel are essential preparations before entering the heat.

Wait After Eating

Avoid entering the sauna immediately after a large meal. Digesting a heavy meal requires significant blood flow to your stomach, and the heat of the sauna will simultaneously pull blood toward your skin to cool you down. This competing demand can leave you feeling lightheaded or nauseous. If you are hungry, opt for a light snack like a piece of fruit about an hour before your session.

The Pre-Sauna Shower

Always shower before entering a sauna. This is a fundamental rule of sauna etiquette. Showering removes perfumes, lotions, body oils, and dirt from your skin. Not only does this keep the sauna clean and odor-free, but washing with warm water also helps to open your pores, preparing your body to sweat more efficiently.

Crucially, make sure to dry off completely with a towel after your shower. Entering the sauna with wet skin can delay the onset of sweating because the moisture on your skin acts as a cooling barrier.

What to Wear

Attire varies heavily depending on whether you are using a public or private sauna, as well as the cultural norms of your location. In many public gyms or health clubs, a bathing suit is required. If you wear a swimsuit, make sure it is free of metal clasps, which can become incredibly hot and burn your skin. Loose-fitting cotton is another option, though it will quickly become heavy with sweat.

Regardless of what you wear, you must always bring at least one clean, dry towel. This towel is not just for drying off later—it is what you will sit on inside the sauna.

2. Inside the Sauna: A Protocol for Beginners

Once you are clean, dry, and hydrated, it is time to step inside. Move quickly when opening and closing the door to prevent the heat from escaping.

Choose the Right Bench

When you walk in, you will notice that most saunas have at least two tiers of benches. Because heat naturally rises, the upper benches will be significantly hotter than the lower benches.

As a beginner, always start on the bottom bench. This allows you to experience a milder temperature while your body acclimates to the environment. Once you feel comfortable and confident in your ability to handle the heat, you can slowly transition to the upper benches in future sessions.

Beginners should always start on the lower benches where the air is cooler.

Use Your Towel

Place your towel flat on the bench and sit or lay on it. The towel serves two vital purposes: it protects your skin from the intense heat of the wooden boards, and it absorbs your sweat. Leaving sweat on the wood is considered poor etiquette, as it can stain the wood and create hygiene issues over time.

How Long Should You Stay?

The most common mistake beginners make is trying to stay in the sauna for too long. There is no prize for enduring the heat longer than is comfortable.

For your very first session, aim for 5 to 10 minutes. Pay close attention to how your body feels. It is completely normal to feel hot and to sweat profusely, but you should not feel dizzy, lightheaded, or uncomfortably breathless. If you experience any of these negative symptoms, step out immediately, regardless of how much time has passed.

As you practice this routine over several weeks, your body will undergo heat acclimation, and you will naturally be able to extend your sessions to 15 or 20 minutes.

Breathe Naturally and Relax

Focus on taking slow, calm breaths. Some people find that the hot air irritates their nasal passages. If this happens to you, cup your hands loosely over your nose and mouth. This creates a small pocket of cooler, moister air to breathe.

Remember that a sauna is traditionally a place of quiet reflection. Keep conversations to a minimum, speak softly if you must communicate, and do not play music out loud. Treat the environment as a sanctuary for relaxation.

3. Exiting and the Cooling Phase

When your 5 to 10 minutes are up, or when you feel it is time to leave, sit up slowly if you were lying down. Standing up too quickly in a hot environment can cause a sudden drop in blood pressure, leading to dizziness.

Step out of the sauna and begin the cooling phase. Cooling down is just as important as the heat phase, as it helps return your core temperature to a normal baseline.

Taking time to cool down and rest is just as important as the heat phase.

The Cool Shower

Beginners should opt for a cool or room-temperature shower. While cold plunges and ice baths are popular among experienced sauna users, they can cause a severe shock to a beginner's system. Start by rinsing off the sweat with lukewarm water, gradually lowering the temperature to a refreshing, cool setting.

Rest and Rehydrate

After rinsing off, find a comfortable place to sit and rest for at least 10 to 15 minutes. This is a crucial part of the sauna protocol. Use this time to drink more water and allow your heart rate to return to its resting pace. Do not rush this process; the rest phase is where many people experience the deep sense of relaxation associated with sauna use.

4. Repeating the Cycle

A classic sauna protocol involves repeating the heat and cool phases multiple times. A standard routine looks like this:

1. Heat session (5-15 minutes)
2. Cool down and rest (10-15 minutes)
3. Heat session (5-15 minutes)
4. Final cool down and rest

For your absolute first time, a single round is perfectly sufficient. As you get more comfortable with the process, you can attempt two or three rounds during a single visit. Always ensure your rest periods are at least as long as your heat periods.

5. Developing Your Routine and Tracking Progress

Learning how to use a sauna is just the first step. The real benefits come from consistency. Establishing a regular routine will help your body adapt to the heat, making each subsequent session more comfortable and rewarding.

As you develop your habit, it is incredibly useful to keep a record of your sessions. Tracking how long you stayed in, what temperature the sauna was set to, and how you felt afterward can help you find your personal "sweet spot."

This is where SaunaMetrics comes in. SaunaMetrics is a free sauna tracking tool designed specifically to help you log your sessions, record temperatures, and add personal notes about your routine. By logging your early sessions, you can objectively view your progress and better understand how your body reacts to different durations and heat levels.

Using a tool to track your metrics removes the guesswork from your routine. You won't have to wonder if you stayed in longer this week than last week; you will have the data right in front of you, allowing you to safely and gradually build your endurance over time.

6. Post-Sauna Care

Once you have completed your final round and rested thoroughly, it is time to conclude your routine properly.

The Final Cleanse

Take a final shower using soap to wash away any remaining sweat and impurities that have been pushed out of your pores. Wash your hair if necessary, as sweat can leave it feeling dry or brittle.

Moisturize Your Skin

The intense heat and subsequent cleansing can strip your skin of its natural moisture. Once you are completely dry, apply a gentle, hydrating lotion or body oil to lock in moisture and keep your skin feeling healthy and resilient.

Replenish Electrolytes

Water alone is sometimes not enough after a heavy sweating session. Consider drinking a beverage rich in electrolytes, such as coconut water or a dedicated electrolyte mix, to replace the sodium, potassium, and magnesium lost through your sweat.

Final Thoughts for Beginners

Starting a new sauna routine is a fantastic way to dedicate time to your personal well-being. By focusing on proper preparation, observing basic etiquette, and listening closely to your body, you can safely navigate your first few sessions.

Remember that everyone's tolerance for heat is different. Never push yourself beyond what feels comfortable, and always prioritize hydration and rest. Over time, as you utilize tools like SaunaMetrics to log your sessions and refine your approach, the sauna will quickly transition from an intimidating hot room into an essential, deeply relaxing part of your weekly routine.

Frequently Asked Questions

How often should a beginner use the sauna?

Can I bring my phone inside the sauna?

What temperature should a beginner look for in a sauna?

Should I pour water on the sauna rocks?