Cold exposure

Easy1–2 min

Using brief cold to feel alert and reset stress.

1

Finish your normal warm shower, then turn the water to cold for the last 15–30 seconds. That's a complete first session.

2

The instinct is to gasp. Instead, keep long, controlled exhales — it steadies the shock and is most of the skill.

3

Add 10–15 seconds each week as it gets easier. There's no prize for going longer; consistency matters more than duration.

4

Let your body rewarm on its own with movement rather than jumping straight back to heat.

These are general preparation techniques — not treatment for any condition. Always consult a doctor before acting on anything you read here.