Method developed and refined since 2010 across 1,000+ clearance sessions.
You know what mental fitness is. The question now is the practical one: how to build mental fitness in real life, on a normal week, without quitting your job to go and live on a mountain.
Most advice on this answers that question with a generic wellness checklist. Meditate. Hydrate. Take a walk. Journal. Breathe. None of it wrong, exactly. Just not strong enough to actually shift anything when your mind has been running on empty for years.
Here are five habits that actually build mental fitness. One is the protein. The other four are supporting. Together they do for the mind what regular movement, decent sleep and good food do for the body.
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In this post:
Habit 1: Clear your head trash regularly
This is the protein. The habit that does the heavy lifting. Everything else on this list is supporting infrastructure.
Head Trash Clearance is what trains mental fitness the way the gym trains a body. Each clearance is a workout: you work with a theme, you clear both poles (the love and the hate, the want and the resistance), the charge settles to neutral. The mind learns range. It learns flexibility. It learns to recalibrate when something shifts. Reps compound. Three weeks of consistent clearing and the mind feels different. Three months and your baseline has moved.
Most “mindset work” gives you tools to manage what’s loud in your head. Clearance removes what was making it loud in the first place. That’s the difference.
What this looks like in practice:
- A clearance takes 30-60 minutes
- Most people aim for one to three a week (like gym sessions, not heroic effort once a quarter)
- The Clearance Club gives you the structure if you don’t want to figure it out alone – weekly guided clearances, group sessions, a place to track what you’ve shifted
- The book Clear Your Head Trash walks you through the method yourself if you’d rather work solo
If you only do one habit on this list, do this one. Everything else makes more sense once your mind isn’t dragging a load it shouldn’t be carrying.
Habit 2: Notice your mind before it cascades
The diagnostic awareness habit. Different from mindfulness, which I’ll be straight about – mindfulness is its own thing and we’ll get into that in another post. The job here isn’t to sit with what’s there. The job is to clock the wobble early enough to do something about it.
When you train the noticing muscle, you spot the spiral before it’s three storeys high. You catch the irritation before it becomes resentment. You see the energy dip at 3pm before it’s a 5pm collapse. That gives you something to work with. It’s reconnaissance, not regulation.
What this looks like in practice:
- A daily check-in. Literally 60 seconds, sitting still
- One question: “what’s loud in here right now?”
- Note it. Clear it later, in your next clearance session
- That’s it. No journaling-for-an-hour. No “sitting with the feeling” until you go cross-eyed
Most people who do this for two weeks notice things they’d been ignoring for years.
Habit 3: Sleep like you mean it
The foundational input. A mind that hasn’t slept properly can’t think properly. Doesn’t matter how much clearance you’ve done, how clean your diet is, how settled your nervous system was yesterday. If you’re running on five hours and a couple of coffees, mental fitness is not happening today.
I’ll spare you the sleep hygiene lecture. You’ve heard it. The bit worth saying that you maybe haven’t: anything that feels urgent at 11pm is almost never actually urgent. The mind that’s wide awake at midnight insisting you sort the thing out tonight is the unfit version of itself. Trust the morning version more.
What this looks like in practice:
- Same bedtime, same wake time, even at weekends – the body wants rhythm more than it wants late nights
- Phone out of the bedroom (you’ve read this a hundred times; it actually works)
- The “one more thing” before bed is the lie that gets you to 1am
- If something genuinely is an emergency, it’ll still be an emergency tomorrow. Almost nothing is
Want to know where your mental fitness is right now?
The free Head Trash Quiz takes 3 minutes and identifies where your inner load is heaviest – so you know which muscles to train first.
Take the free Head Trash Quiz →
Habit 4: Move your body, for your mind’s sake
Not for the body’s sake. For the mind’s.
Movement discharges the load the mind has been carrying. After a hard day, a 20-minute walk doesn’t just stretch your legs. It gives the nervous system somewhere to put the cortisol, the irritation, the residue of the meeting that didn’t go well. A run, a swim, a dance, a yoga class – same job, different delivery. The mind clears because the body moved.
When you don’t move, the load stays in the body. The mind doesn’t get a break. Mental fitness suffers. Sleep suffers. Everything compounds.
What this looks like in practice:
- 20-30 minutes a day, most days
- Not a regime. Just the next walk, the next class, the next swim
- Outside if you can – the sky is good for the nervous system in a way that gyms aren’t
- The bar is “I moved today,” not “I optimised my workout”
Habit 5: Stay connected to real humans
Real ones. The ones who text you back the next day to check in. Not the dopamine fake of social media. That’s a simulation of connection, and the mind knows the difference even when you don’t.
The mind that’s properly connected has less to carry. Hard things land softer when there’s someone to mention them to. The wobble settles faster when it’s witnessed. Loneliness is one of the heaviest loads a mind can carry, and most of us are carrying more of it than we admit.
What this looks like in practice:
- One in-person connection a week, minimum. Coffee, walk, dinner, doesn’t matter
- A WhatsApp thread of two or three people you actually like. Boring on purpose: low maintenance, high reliability
- Boundaries on social media. It’s the opposite of connection – it’s a simulation that drains the system that needs the real thing
- If you’ve lost touch with your people, the first text is the hardest. Send it anyway
How long until you feel the difference?
Mental fitness builds the same way physical fitness does. Sooner than you’d think but slower than you’d like.
- One clearance can shift something the same day
- Three weeks of consistent reps and your mind feels different – less reactive, less heavy
- Three months and your baseline has moved. You handle things you used to wobble at
- Twelve months and you don’t recognise the person you were when you started
This isn’t a quick fix. It’s a different kind of relationship with your own mind. The kind where the mind works for you instead of against you.
The five habits aren’t a checklist to perfect. They’re a rhythm to settle into. Some weeks you’ll do all five well. Some weeks you’ll do one badly. That’s fine. Mental fitness is built by the average, not the peak.
Listen to the longer audio version of this conversation here:
Where to go deeper
If you want to build mental fitness with structure rather than figuring it out alone, here’s the depth ladder.
- Clearance Club (£49/mo) – the gym membership. Weekly guided clearances, group sessions, personalised tracking. Where most people start when they want consistent mental fitness training without a big upfront commitment.
- Clear Your Head Trash – the book that walks you through the method. Cheapest entry, deepest read. Good if you want to understand what you’re training before you start.
- Emotional Architecture Scan (£1,650) – the diagnostic. Tells you exactly what’s structurally weighing on the mind before you train. Right if you want a clear map first rather than learning by doing.
If you’re not sure where to start, the free Head Trash Quiz identifies where your emotional weight is concentrated and points you in the right direction.
About the author
Alexia Leachman is the creator of the Head Trash Clearance Method: a fast, self-led, measurable approach to clearing the daily friction – self-sabotage, rumination, procrastination, decision fatigue – that mindset work and productivity hacks only manage. Refined over 16 years and 1,000+ clearance sessions. Author of four books including Clear Your Head Trash and Clear Your Anxiety For Good; host of the Fear Free Childbirth podcast (1.8M+ downloads); trainer of HTC practitioners internationally. Her work begins where productivity and mindset coaching leave off: removing what’s actually driving the pattern.
Head Trash Clearance is not therapy and is not a replacement for clinical mental health support. If you’re in crisis, please reach out to a qualified professional.
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