Rest is usually the thing we schedule around everything else. Here's a short case for treating it as its own practice — alongside a look at what the research on heat-based recovery actually shows.
Deliberate rest isn't the same as a nap
Passive rest — collapsing on the sofa — and deliberate rest, a set, repeated wind-down practice, aren't quite the same thing to the body's nervous system. A number of studies on sauna-style heat exposure have looked specifically at the second kind.
What a heat-based routine is linked to
In a controlled trial of adults with cardiovascular risk factors, heart-rate variability shifted toward the body's "rest and digest" state during the cool-down period after a single sauna session — a physiological signature of relaxation. Heat-based recovery has also been studied after exercise: in a small randomised trial, basketball players who used an infrared sauna after training reported less next-day soreness and kept more of their jump performance than those who rested passively, and in a separate small Finnish trial, endurance athletes who used a far-infrared sauna recovered their jump performance faster than those who didn't. The common thread isn't that heat is magic — it's that a repeated, scheduled recovery practice seems to behave differently in the body than resting only when you happen to remember to.
Building the habit
If you're mapping out session length and frequency, our guide on using an FIR cabin walks through a simple starting routine. None of these are large trials, and none of them claim a heat routine replaces sleep or medical care — the effects measured are specific to the protocols used. But together they're a reasonable case for treating a wind-down session as a scheduled practice rather than an afterthought. If you're building one around an FIR cabin, ordinary sauna caution still applies: speak to your doctor first if you are pregnant, under 12, or living with adrenal suppression, lupus, multiple sclerosis, or haemophilia, and check with your doctor if you have metal implants, a pacemaker, or silicone implants.
Sources
- Laukkanen et al., 2019 — sauna bathing and cardiac autonomic recovery (Complementary Therapies in Medicine)
- Ahokas et al., 2023 — infrared sauna and post-exercise recovery (Biology of Sport)
- Mero et al., 2015 — far-infrared sauna and training recovery (SpringerPlus)
Ready to build the habit? Explore Far Infrared.