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How often should you sauna and cold plunge?

Why research does not provide one schedule or exposure time that is suitable for everyone.

Someone lowering themselves into a round tub of iced water.

There is no single sauna or cold-plunge schedule that is safe and useful for everyone. The right choice depends on your health, the conditions, your goals and how you respond. More sessions or longer exposure is not automatically better.

What sauna frequency research actually measures.

Laukkanen and colleagues’ Finnish cohort study followed 2,315 middle-aged Finnish men. More frequent sauna use was associated with lower mortality, but participants were not assigned a sauna programme. That finding cannot establish a personal dose or prove that sauna caused the difference.

Cold-water research answers different questions.

Cochrane’s review of cold-water immersion after exercise reported some evidence for reduced soreness after exercise, while noting small, low-quality trials and uncertainty about safety and the best method. It does not establish a universal weekly cold-plunge target.

Roberts and colleagues’ resistance-training study also found reduced training adaptations with its post-exercise cold-water protocol. Your training goal matters; a result about soreness is not the same as a result about strength or muscle growth.

How long should a round last?

A general article cannot give you a personal safe exposure time. Air or water temperature, the facility, your health and previous experience all matter. Follow the venue’s instructions and seek individual advice if you are unsure whether heat or cold is suitable.

Saunday’s planned 75-minute booking is the overall visit window. It is not a recommendation to stay in a sauna or ice bath for that time, or an obligation to use both.

Make a realistic plan once the venue is ready.

Before choosing a membership, check the confirmed hours, access conditions and booking rules. Our membership comparison helps you work out the cost of the visits you expect to use. Neither Saunday club is open yet.

Does everyone need an ice bath after a sauna?
No. Using cold water is optional. Decide whether it is appropriate for you rather than treating it as a compulsory part of a visit.
Does the research prove daily sauna is safe for me?
No. Population research cannot establish that a routine is safe for an individual. Your health and the conditions still matter.
Does a 75-minute booking mean 75 minutes of heat or cold?
No. It is the planned overall visit window, including breaks and time between spaces.

Find a routine that suits you.

Our Narrabeen founding offer explains the planned access and current prices. Join the free waitlist for release updates, then decide whether membership suits you when the full terms and opening details are available.

Join the waitlist

More from the journal

A few more notes from the sauna.

Illustrative image of two people walking through a sunlit sauna lobby.

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