Cool Water

💧 Innate Healthy Habits · Habit 4

Cool water – an Innate Healthy Habit

Some people like finishing their shower with cool or cold water as a fresh start to the day. In the Top End heat, it can be a welcome one. You don't need an ice bath or special equipment to start: your everyday shower is enough.

❄️ Why people use cold water

Alertness and focus. Many people use a cold finish to feel sharper and more switched on. When cold water hits your skin, your body releases a burst of noradrenaline and dopamine, natural chemical messengers linked with alertness, focus and mood. Studies of cold water immersion have measured big rises in both.

Cold shock proteins. When your body cools, your cells switch on a small group of helpers called cold shock proteins, which help cells respond to the cold. The two best studied are RBM3 and CIRP. They attach to RNA, the instructions your cells use to make proteins, and help regulate how cells respond to stress. Researchers are most excited about their potential to help protect brain cells, although most of this work has been done in the lab and in animals, so there is still plenty to learn about what it means for people.

Best done in the morning. Because cold water wakes you up, it's best kept to the morning or earlier in the day. A cold shower or ice bath late in the evening can leave you feeling alert just when you're trying to wind down for sleep.

Most people simply say they feel wide awake and refreshed after a morning cold finish, which is a pretty good way to start a Top End day.

At a glance

⏰
When
End of your morning shower
⏱️
How long
Start with 15–30 seconds
📅
How often
3–4 mornings a week

How to start

1Have your shower as normal, then turn the water to cool for the last 15–30 seconds.
2Breathe out slowly and steadily rather than gasping.
3Over 2–3 weeks, build up gradually if you enjoy it, up to about 2 minutes.

When the tap water isn't cold enough

In a Darwin build-up or wet season, the "cold" tap can come out barely cooler than the air. A few easy ways around it:

🧊
Bucket and ice
Fill a bucket with tap water, add a bag of ice, and pour it slowly over your shoulders at the end of your shower.
🫙
Fridge jug
Keep a big jug of water in the fridge overnight and use it to finish your morning shower.
🌅
Go early
Shower first thing, when the water in the pipes is usually at its coolest.

Ready for more? Ice baths

An ice bath is the next step up: a tub or bath of very cold water you sit in for a short time. If you've built up your cool-shower habit and want to try one, go slowly:

1Start with water that's cool rather than freezing, around 10–15°C, and stay in for 1–2 minutes at first.
2Keep your head and neck out of the water, and focus on slow, steady breaths out.
3Have someone nearby for your first few goes, and never do it after drinking alcohol.
4Get out straight away if you feel dizzy, numb, short of breath or are shivering hard. Afterwards, dry off and let your body warm up naturally on its own, rather than jumping straight into a hot shower.

Safety first: Check with your GP before starting cold showers or ice baths if you have a heart condition, high blood pressure or poor circulation, are pregnant, or have any other health concern. Stop if you feel dizzy, numb or unwell.

These are gentle everyday habits, not treatment. If you have a health condition, are pregnant, or have any health concerns, check with your GP first.

Want help choosing your habits?

Karen, our wellness coach, life coach and DNA results reader, can look at your DNA report with you and help you build habits that suit your life.

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