5 Steps to Infrared Sauna Blanket Use

Sauna blankets take 10-15 minutes to reach operating temperature. Preheat the blanket before you get in, same way you'd preheat an oven. The blanket should be warm-to-the-touch by the time you enter. Entering a cold blanket and waiting for heat defeats the protocol.

Skipping preheat halves the effective session length. Set a timer or let the blanket preheat while you finish other recovery routines.

Most blankets have 6-10 heat levels. Start at the middle setting (3-4 on most systems) for 15 minutes in your first session. This acclimates your body to the heat stress without overwhelming your cardiovascular system. Over 4-6 sessions, progress up in heat and duration.

If you feel dizzy, nauseous, or your heart rate climbs past 150 bpm, exit the blanket immediately. These are signs the heat stress is too much for your current acclimation.

Sauna blankets are intimate contact with your skin. Wear loose cotton clothing — a t-shirt and shorts, or a cotton sheet if you prefer. Synthetic fabrics trap sweat and get uncomfortable; direct skin contact stains the blanket and makes cleaning hard.

Don't wear metal jewelry or accessories inside the blanket. Metals heat quickly and can cause burns. Remove watches, rings with metal bands, and zippers.

A 30-minute sauna blanket session produces 0.5-1 L of sweat depending on intensity. Drink 16-24 oz of water before the session, sip during (most blankets allow a bottle nearby), and drink another 24-32 oz after. Add electrolytes (Nuun, LMNT) to the post-session drink to replace sodium losses.

Dehydration after sauna sessions can cause headaches, cramping, or fatigue. If you feel any of these, you didn't drink enough. Double the post-session fluid next time.

Thirty to forty-five minutes is the standard session. Longer sessions don't add proportional benefit and increase dehydration and blood-pressure risk. Your first 6 sessions should be 20-30 minutes; experienced users can go to 45 minutes. Never exceed 60 minutes.

Falling asleep in the blanket is a real risk at longer durations. Set a session timer. Some blankets auto-off at 60 minutes, which is good — never disable that feature.