How Long Should You Stay in a Sauna?

One of the most common sauna questions is simple: how long should you actually stay in?

The answer depends on your experience, heat tolerance, sauna temperature, hydration, health and how your body feels on the day.

For most people, a good sauna session is not about pushing as long as possible. It is about finding a comfortable amount of heat exposure that you can repeat safely and consistently.

Quick answer: how long should you stay in a sauna?

Beginners should usually start with shorter sauna sessions of around 5 to 10 minutes. More experienced sauna users often build up to around 15 to 20 minutes, depending on the sauna temperature and how they feel.

You should leave the sauna if you feel dizzy, lightheaded, nauseous, overheated or uncomfortable. Longer is not always better.

Beginner sauna time: start with 5 to 10 minutes

If you are new to sauna, start small.

A short 5 to 10 minute session gives your body time to adjust to the heat without overdoing it. Once you understand how your body responds, you can slowly increase your session length.

Do not try to copy experienced sauna users straight away. Heat tolerance builds over time.

Experienced sauna users: 15 to 20 minutes may be enough

Many regular sauna users sit for around 15 to 20 minutes per round.

This can be enough time to sweat, relax and feel the benefits of the heat without pushing too hard. Some people prefer multiple shorter rounds instead of one long session.

For example, a simple routine might be:

  • 10 to 15 minutes in the sauna
  • cool down outside the sauna
  • drink water
  • repeat if comfortable

How do you know when to leave the sauna?

Your body gives you signals. Listen to them.

Leave the sauna if you feel:

  • dizzy
  • lightheaded
  • nauseous
  • weak
  • overheated
  • uncomfortable
  • like your heart is racing too much

The goal is to finish the session feeling better, not wrecked.

Is 20 minutes in a sauna too long?

For some people, 20 minutes may be fine. For others, it may be too long.

It depends on the sauna temperature, your experience, hydration, health, and how you feel that day.

If you are new to sauna, do not start with 20 minutes. Build slowly. If you are experienced and comfortable, 15 to 20 minutes may be a reasonable session length.

Should you do one long session or multiple rounds?

Multiple shorter rounds can be easier to manage than one long session.

For example, instead of forcing yourself to stay in for 25 minutes straight, you might do:

  • 10 minutes sauna
  • 5 minutes cool down
  • 10 minutes sauna
  • cool down and hydrate

This can make the session feel more controlled, especially if you are combining sauna with cold plunge or shower breaks.

How long should you cool down after sauna?

Give your body time to cool down gradually.

You can step outside the sauna, sit somewhere cooler, take a shower, or use a cold plunge if that is part of your routine. The key is not to rush straight from intense heat into more stress without listening to your body.

Hydrate before and after your session, especially if you sweat heavily.

How often should you sauna?

There is no single perfect frequency for everyone.

Some people sauna once a week. Others use it several times a week. The best frequency depends on your routine, health, recovery needs and heat tolerance.

Start with a frequency that feels easy to maintain, then build slowly if your body responds well.

Does sauna type change how long you should stay?

Yes, sauna type and temperature can affect session length.

A hot traditional dry sauna may feel more intense and may suit shorter sessions. Infrared saunas often run at lower air temperatures, so some people stay in longer.

Do not rely only on the clock. Use the timer as a guide, but let your body decide when it is time to leave.

What should you bring for a comfortable sauna session?

A simple sauna setup can make your session easier:

  • water bottle
  • towel
  • slides or sandals
  • fresh clothes
  • sauna hat

A sauna hat can be especially useful if your head heats up quickly. It helps create a layer between your head, hair and scalp and the dry heat of the sauna.

Make hot sessions feel more comfortable.

The Koala Sauna Hat is made from 100% Australian merino wool and designed to help protect your hair and scalp, manage head heat and make sauna sessions more comfortable.

Shop The Koala Hat

Sauna safety tips

Sauna can be a great part of a wellness routine, but it is still heat exposure. Use common sense.

Simple safety tips include:

  • start with shorter sessions
  • drink water before and after
  • avoid alcohol before sauna use
  • avoid heavy meals right before sauna
  • cool down between rounds
  • leave if you feel unwell
  • speak to a health professional if you have medical concerns

Do not use the sauna if you feel sick, dehydrated, faint or unwell.

So, how long should your sauna session be?

For beginners, start with 5 to 10 minutes.

For regular sauna users, 15 to 20 minutes may be enough for a solid session.

The best sauna length is the one that feels safe, controlled and repeatable for you.

Do not chase the longest possible session. Build a routine you can enjoy consistently.

FAQs

How long should a beginner stay in a sauna?

Beginners should usually start with 5 to 10 minutes and build slowly as their heat tolerance improves.

Is 30 minutes in a sauna too long?

For many people, 30 minutes may be too long, especially in a hot dry sauna. Shorter sessions with cool-down breaks are often more manageable.

How long should you stay in a sauna after a workout?

Start with a short 5 to 10 minute post-workout sauna session and see how your body responds. Hydrate properly and avoid pushing through discomfort.

Should you shower after sauna?

Many people shower after sauna to rinse off sweat and cool down. A cool or lukewarm shower can be part of a simple post-sauna routine.

How do you know if you have stayed in too long?

If you feel dizzy, lightheaded, nauseous, weak or overheated, leave the sauna immediately and cool down.

Next, read our guide on sauna benefits, or explore more Sauna Guides.