Kinetic vs Linear Energy: Why “Just Manage Your Energy” Doesn’t Work for Brains Like Ours

You haven’t been failing at energy management. You’ve been trying to manage kinetic energy with linear-brain advice.

You spend an evening at the pub with your mates.

You’re animated. You’re funny. You’re three drinks in, but you would probably be exactly like this on Pepsi Max.

Ideas are streaming through your brain. You’re making mental connections that genuinely surprise you. You’re already half-drafting a new blog post in your head about one of them.

You get in the taxi home. The momentum is still going. Notes-to-self are piling up in Notion: a half-written story, three blog post ideas, two memoir scenes.

You arrive at your house, walk into your room, and sit straight down at your computer to write the thing while it’s fresh.

But nothing comes.

Not your typical “writer’s block” nothing. A deep, hollow, empty kind of nothing. The entire scaffolding that was holding the idea in the air five minutes ago has just dissolved.

You can clearly see where it used to be.

You just can’t reach it from your desk.

You go to bed frustrated, wondering why you can never seem to finish anything.

#The standard answer misses the shape of the problem

The productivity world will tell you: You need to manage your energy.

Track when you’re high energy and when you’re low. Schedule your deep work for those peak windows. Protect them fiercely. Stop wasting them on your inbox. Don’t burn through your best cognitive hours doing the dishes. Build the habit. Be disciplined about it.

It’s not that this is inherently bad advice.

It is just not advice calibrated for our brains.

That framework assumes a model of energy we don’t actually run on. It assumes human energy works exactly like a phone battery: fully charged in the morning, draining steadily through the day, and topped up by food, rest, and sleep.

If you manage that battery carefully enough, your daily output becomes predictable.

But you and I both know that’s not what our energy actually does.

Our energy doesn’t just drain. It shifts.

And once it has moved somewhere else, no amount of raw discipline can force it back.

#Linear energy is the model most advice is built for

The productivity books are written for a classic model of stamina.

Linear energy relies on constant, predictable output. You wake up with a full tank. You spend it deliberately throughout the day on whatever task you choose to direct it at.

Tasks cost a standard, fixed amount of fuel. A little willpower input is required on top, but you can mostly choose exactly what gets done and when.

It assumes the cost of doing a thing is simply the size of the thing itself.

Small task, small cost.

Big task, big cost.

Simple.

Except it isn’t simple when your brain doesn’t price tasks that way.

#Kinetic energy is directional

Kinetic energy is not a full tank.

It is motion.

It is directional. It has momentum. It builds rapidly once you’re moving, then dissipates almost entirely when you are stopped, interrupted, or redirected.

Under a kinetic model, the thing that costs almost everything is starting.

The thing that costs almost nothing is continuing.

Once a kinetic brain is pointed at something and moving, the momentum carries you. Stop it, interrupt it, or force it to sit down on the sofa for a “break”, and the charge vanishes.

A linear-energy brain pays roughly the same to start a task as it does to continue it.

A kinetic-energy brain pays almost everything to start, and almost nothing to continue.

That is the whole difference.

And once you see it, a lot of your life starts making an irritating amount of sense.

#Why linear-brain advice breaks kinetic brains

If you have a kinetic brain and you try to live on linear-brain advice, every piece of the system goes slightly wrong.

Rationing starves your surges. You’re told to manage your energy by rationing it across the day. But rationing implies a steady drip, and your energy doesn’t drip. It surges or it sits. By rationing, you starve the bursts that would have carried whole projects, while failing to make any functional use of the downtime.

The start cost gets ignored. You’re told to “start small”. But the start is the most expensive part of the entire equation. Once you’re going, you don’t actually need much willpower. You need the first thirty seconds. Traditional productivity advice rarely talks about those first thirty seconds because, for linear brains, they are virtually free.

Forced consistency causes burnout. You’re told consistency is the secret. But consistency for a kinetic brain forces a flat, identical output every single day. Flat output is the most expensive shape your energy can take. It means paying full price for a heavy, cold restart every morning, all week long.

The entire framework is calibrated for a brain that isn’t yours.

#What kinetic energy actually looks like

If you look closely at your workflow history, the patterns become highly visible.

Starting cold is the single real obstacle. Once you are in motion, you can keep going for hours. From a dead stop, you may struggle to endure ten minutes.

Transitions cost far more than tasks. Switching from one kind of work to another is vastly more draining than doing the work itself. A day focused on one task can be incredibly cheap. A day broken into seven separate contexts is cognitive bankruptcy.

Stillness drains; motion sustains. A linear brain often rests by sitting still. A kinetic brain often rests by moving differently. A brief walk between two tasks can restore more capacity than a sit-down break ever could.

Output is bursty by design. You don’t get a perfect quarter of a project done four days in a row. You get absolutely nothing done for three days, then execute a whole project on day four. That isn’t a flaw. That is the natural shape of the workflow.

Forced consistency creates friction. Pushing yourself to work during low-momentum hours doesn’t produce useful output. It produces internal resistance. That resistance then taxes your high-momentum hours when they finally arrive.

If any of those felt immediately obvious, like something you’ve noticed but never quite named, that’s your kinetic brain recognising its own operating system.

#Working with it, not against it

There isn’t a magical productivity system that fixes this layout.

And honestly, I don’t think we should want one.

There is only building a different relationship with your momentum.

Here are the operational shifts that have helped me manage my workload without treating my brain like a faulty phone battery.

#Keep moving once you start

Protect your flow states.

If you are in active flow, do not break away for a task you think you should be doing right then. The task you leave behind will cost three times more to return to from a cold start later.

Ride the wave until it ends naturally.

This is not the same as forcing yourself to work until you collapse. That is how burnout gets in through the side door wearing a productivity lanyard.

It means recognising when the engine is already on, and not turning it off because a planner told you lunch should happen at 12:30.

#Stack same-state tasks together

Minimise the transition tax.

Group all your admin into one isolated block. All writing into another. All meetings into a third.

You’re not doing this to optimise your time. You’re doing it to avoid the brutal energetic tax of context-switching.

The point is not to squeeze more productivity out of yourself.

The point is to stop spending 80% of your available energy on the doorway between tasks.

#Plan around direction, not quantity

Don’t ask your brain: How much energy do I have today?

Ask: Which direction is my energy currently pointing?

If it’s pointing at writing, write.

If it’s pointing at admin, clear the admin.

If it isn’t pointing anywhere yet, do not pay a massive start cost just to prove your discipline.

This is the bit that feels almost offensively simple, but it has changed more for me than any time-blocking system ever did. Direction matters more than quantity. Momentum matters more than intention.

#Treat momentum as your primary resource

Not time.

Not willpower.

Momentum.

Audit your weeks by asking better questions:

• What kept me in motion?
• What broke my momentum completely?
• Where did I pay a start cost I could have avoided?
• What did I interrupt while it was still alive?
• Which tasks belonged together, and which ones fought each other?

That last one matters more than it sounds.

Some tasks are neighbours. Some tasks are enemies. Putting them next to each other in a planner does not make them compatible.

#Build slack into the days after a surge

An explosive output day on Tuesday means Wednesday cannot be expected to look identical.

Wednesday needs to be low-stakes recovery, admin drift, body maintenance, or genuinely nothing.

Not because you are weak.

Because kinetic systems have a refractory period.

Your optimal energy shape may be a sharp sawtooth, not a flat line. If you keep trying to sand that sawtooth down into a neat rectangle, you lose the very spikes that let you make things in the first place.

If you just want to map your capacity day by day without a massive system commitment, the Spoon Tracker is the lighter version: a simple way to notice what is available before you ask your brain to spend it.

#The bit that matters

You haven’t been failing at energy management.

You’ve just been managing the wrong kind of energy.

The advice that failed you in the past wasn’t inherently malicious. It was just written for an operating system that isn’t yours, by people who have never lived inside a mind like ours.

You’ve been quietly paying a massive, exhausting start cost for years, wondering why you couldn’t be more disciplined.

You don’t need more discipline.

You need a functional model that matches the actual brain you have.

That’s kinetic energy.

That’s the whole shift.

— Ollie