Deliberate Cold Exposure
Andrew Huberman's cold exposure protocol needs only about 11 minutes of cold per week, in short sessions, to meaningfully lift mood and energy. Cold immersion drives a large, sustained rise in dopamine and norepinephrine, roughly 250% and 530% in one classic study, giving hours of focus without a stimulant crash; the temperature that matters is personal, not extreme.
Pick your cold source and temperature Cold enough you want out but can safely stay in (~45 to 55°F; beginners 55 to 60°F)
A cold shower is a free, valid entry point; a plunge gives more control and colder temps as you adapt. There's no single right temperature: the threshold ('want to get out, can safely stay') matters more than going extreme.
Aim for ~11 minutes per week, total 2 to 4 sessions of 1 to 5 minutes across the week
This is the minimum effective dose, not the optimum. Frequency and consistency beat heroics; the colder it is, the less time you need.
Do it in the morning, not late evening Morning or early afternoon
The dopamine and norepinephrine rise is great for daytime energy and focus, but the same sympathetic activation late in the day can disrupt sleep.
Stay calm; move to increase the stimulus Anchor your mind, breathe normally, stir the water to feel colder
Practising clarity while uncomfortable is the resilience training. Moving in the water breaks the warm layer around your skin and increases the stimulus if you want more.
Rewarm naturally, no hot shower Let your body reheat on its own
Forcing your body to rewarm itself is what drives the bigger metabolic benefit. Jumping into a hot shower short-circuits that.
Separate cold from strength work Wait 4 to 6 hours after strength/hypertrophy training
Cold right after resistance training can blunt the muscle-growth signal. It's fine right after endurance, skill or interval work.
Dial in temperature and progress slowly Go colder or longer only as you adapt
Start warmer than you think and progress like any training stimulus. A thermometer helps you keep sessions honest and repeatable.
Cold is a potent, controllable stressor.
View sources
Huberman Lab #66: Using Deliberate Cold Exposure for Health & Performance
Huberman Lab newsletter: The Science & Use of Cold Exposure
Not medical advice. This page is for education only and is not a substitute for professional medical care. Consult a qualified clinician before changing your health routine.
Independent curation. YourProtocol is an independent platform. This protocol is based on the publicly available work of Andrew Huberman and is not created, reviewed, endorsed by, or affiliated with Andrew Huberman or Stanford.
Is this for you
- Anyone who wants clean daytime energy and focus without more caffeine
- People building stress resilience
- Those who want a metabolic nudge over time
- Anyone who can start with just a cold shower
Cautions
- Never do breath-holding or deliberate hyperventilation before or during cold-water immersion. Combined with water, it can cause blackout and drowning.
- Never enter dangerous or open water for this. Cold shock is real; start warmer than you think and progress gradually.
- Separate cold from strength training by 4 to 6 hours so you don't blunt muscle adaptation.
- If you have a heart condition, high blood pressure, are pregnant, or have any cardiovascular concern, talk to your physician before deliberate cold exposure.
- Keep it in the morning or early afternoon; late-day cold can disrupt sleep.
- A cold shower costs nothing.
Common questions
Some links earn us a commission. It never affects our picks or grades. See our affiliate disclosure.