Contrast Therapy (Fire & Ice): The Recovery Method Most People Have Never Tried — But Should
Sauna alone is powerful. Cold plunge alone is powerful. Together, they produce something your body has never experienced.

If you've only done sauna, you're leaving half the benefits on the table.
If you've only done cold plunge, same thing.
But when you put them together — alternating between heat and cold in a deliberate protocol — something extraordinary happens. Your body responds in a way that neither can produce alone.
Welcome to contrast therapy. And welcome to Fire & Ice at Lost in Float.
The Science of Hot and Cold
Your blood vessels are incredibly responsive to temperature. Heat causes vasodilation — they expand, increasing blood flow. Cold causes vasoconstriction — they contract, reducing blood flow.
When you alternate between hot and cold, you're essentially pumping your vascular system — dilating and contracting repeatedly, driving circulation in a way that passive rest never achieves. Researchers describe it as a "vascular workout" — your blood vessels are exercising just as surely as your muscles do during training.
The combined neurochemical response of contrast therapy — heat shock proteins and growth hormone from the sauna paired with norepinephrine, dopamine, and cold shock proteins from the cold plunge — produces one of the most powerful natural mood and recovery responses available. Neither modality produces this combination alone.
What This Does For Your Body
Accelerated metabolic waste removal. The pumping action of vasodilation and vasoconstriction flushes lactic acid, inflammatory byproducts, and metabolic waste from muscle tissue far faster than rest alone. Athletes who use contrast therapy consistently recover faster between training sessions.
Cardiovascular health. The repeated dilation and contraction of blood vessels improves vascular elasticity — a key marker of cardiovascular health and longevity.
Weight loss and metabolism. The cold portion of contrast therapy activates brown adipose tissue, increasing metabolic rate and supporting fat loss. The sauna portion spikes growth hormone — your body's primary lipolytic (fat-burning) hormone. Together, they create a powerful metabolic stimulus.
Mood and mental health. The neurochemical cocktail from combining sauna with cold plunge produces one of the most powerful natural mood elevation responses available. Many of our Fire & Ice members describe it as better than anything else they've tried for mood.
Sleep quality. The post-session drop in core body temperature following a contrast session is one of the most reliable triggers for deep, restorative sleep.
The Protocol: How to Do It Right
Round 1: 10-15 minutes sauna → 2-3 minutes cold plunge
Rest: 5 minutes at room temperature
Round 2: 10-15 minutes sauna → 2-3 minutes cold plunge
Rest: 5 minutes
Round 3: 10-15 minutes sauna → 3-5 minutes cold plunge
Finish cold for maximum anti-inflammatory and alertness benefit.
Book Fire & Ice in Lincoln NE
45-min session from $49 solo. 60-min from $59. Both available with a guest.
Book Fire & Ice → See membershipsThe Lost in Float Fire & Ice Experience
Our Fire & Ice suite at Lost in Float in Lincoln NE is purpose-built for contrast therapy. You get a private space with direct access to both our sauna (genuinely hot at 195°F) and our 45°F cold plunge. The suite is large enough to relax between rounds and includes a clock for timing and a shower for transitions.
It's the best contrast therapy setup in Lincoln — and our customers, including one who'd done 80+ contrast therapy sessions across multiple states, say it's the best they've experienced anywhere.
Lost in Float | 8244 Northern Lights Dr, Lincoln NE | 531.289.7739 | Open Tuesday–Sunday 9am–9pm