The Idea Shower: A Simple Brainstorming Technique That Works

You're in the shower, not thinking about work, and the answer to a problem you'd been circling for days just arrives. Fully formed, oddly obvious. Then you towel off, forget half of it, and go back to staring at the same blank page you were stuck on before.

The usual advice is to brainstorm harder: block out an hour, get a whiteboard, force out as many ideas as possible. That works for some things, but it's the wrong tool for the specific problem of being stuck. Forcing more effort at the exact point you're stuck tends to produce more of the same tired ideas, not new ones.

The real mechanism is that stepping away from a problem, deliberately and briefly, lets your brain keep working on it in the background — and an "idea shower" is simply the practice of doing that on purpose instead of waiting for it to happen in the actual shower.

This article covers why forced brainstorming often fails at the moment you're stuck, what's actually happening when ideas arrive unprompted, and how to build a short, repeatable idea shower into your week.

What an idea shower actually is

An idea shower is a short, low-stimulation break — walking, showering, folding laundry — taken deliberately when you're stuck on a problem, used to let background mental processing surface a solution that focused effort couldn't reach.

The term comes from research popularised by cognitive scientist Scott Barry Kaufman, whose survey work on shower thoughts found that a striking majority of people report some of their best ideas arriving during low-attention activities like showering. The shower itself isn't magic — it's simply a reliable example of a low-stimulation, semi-automatic activity that happens to be part of most people's daily routine.

Why your best ideas arrive when you stop trying

The mechanism behind this is called the incubation effect. A 2009 meta-analysis in Psychological Bulletin by Ut Na Sio and Thomas Ormerod reviewed decades of incubation studies and found a consistent pattern: stepping away from a problem for a period before returning to it produced better solutions than continuous, uninterrupted effort — particularly for problems requiring a creative leap rather than straightforward calculation.

The explanation isn't that your brain "rests." It's that focused effort on a problem tends to fixate you on the first few approaches you tried, even when they're not working. Stepping away breaks that fixation, in the same way you'd stop yanking at a stuck zip and try a different angle instead — more force on the same approach rarely frees it, but a small change of direction usually does. Low-stimulation activity keeps enough background processing going to reorganise the problem, without the conscious mind actively enforcing the same failed approach. Think of it like bread dough left to prove on the counter: nothing visibly happens while you're not looking, but the process carries on regardless, and it genuinely needs that unwatched time to work.

What most brainstorming advice gets backwards

Traditional brainstorming, the format devised by advertising executive Alex Osborn and popularised in his 1953 book Applied Imagination, works well for generating volume — lots of ideas, fast, usually in a group. What it doesn't do well is solve a specific problem you're already fixated on, because the format keeps you in focused, effortful thinking mode the entire time.

The idea shower works differently because it deliberately removes the pressure to perform. There's no whiteboard, no group watching, no timer. That absence of pressure is doing real work: research on evaluation apprehension in group brainstorming has repeatedly found that the fear of judgement suppresses idea generation, and low-stimulation solo activity removes that fear entirely, along with the fixation that comes from staring directly at the problem.

How to actually use it

Get properly stuck first

The idea shower only works once you've engaged with the problem enough to fixate on it. Spend 15–20 focused minutes trying to solve it directly before stepping away — incubation improves ideas that already exist in rough form, it doesn't generate them from nothing.

Choose a genuinely low-stimulation activity

Showering, walking without headphones, washing up, folding laundry. The activity needs to occupy your hands or body just enough to stop you consciously re-running the same failed approach, without demanding real attention itself.

Capture it within five minutes

The insight that arrives mid-shower degrades fast once you're back to normal stimulation. Keep something to hand — a notes app, or a pad built for catching a thought before it disappears — and write it down within minutes, not "when I get a chance."

Build it into your actual schedule

Don't wait for the shower. Schedule a 10-minute unstimulating walk specifically when you're stuck on something, rather than treating incubation as a lucky accident that only happens in the bathroom.

Give it more than one attempt

Not every idea shower produces a breakthrough. The incubation effect is a real, evidenced pattern across many attempts — not a guarantee on any single try. Treat it as a tool you use repeatedly, not a trick that either works or doesn't.

What to stop doing

Stop treating longer brainstorming sessions as the fix for being stuck — more forced effort on a fixated problem usually produces more of the same ideas, not new ones.

Stop scrolling your phone during the break. Scrolling is high-stimulation, and it crowds out the background processing an idea shower depends on.

Stop waiting for the real shower. The mechanism works from any sufficiently low-stimulation break — you don't need to get wet to use it.

Stop dismissing the idea that arrives mid-walk as "not real work." Incubation is a documented cognitive process, not procrastination with better branding.

Built for the moments the whiteboard can't reach.

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Related Reading

• What Is a Brain Dump? The Technique That Clears Mental Clutter
• The Benefits of Daydreaming: Why Mind-Wandering Isn't Wasted Time
• Analysis Paralysis: Why Too Many Options Stop You Deciding Anything

When to Take It More Seriously

If you find you're chronically unable to generate or finish ideas, feel persistently blocked across most areas of your work, or notice this sitting alongside low mood, exhaustion, or loss of interest in things you'd normally enjoy, that's worth discussing with your GP rather than working around with creativity techniques alone.

In the UK, you can self-refer for CBT and other evidence-based therapies via your local NHS Talking Therapies service at nhs.uk.

This article is a starting point, not a diagnosis. If you are concerned about your mental health, please speak to a professional.

Frequently Asked Questions

What is an idea shower?

An idea shower is a short, low-stimulation break — such as showering, walking, or doing routine chores — taken deliberately when you're stuck on a problem. It works by allowing background mental processing, known as the incubation effect, to reorganise the problem away from the fixation that continuous focused effort can create.

Why do good ideas come in the shower specifically?

The shower isn't special mechanically — it's a reliable, low-stimulation, semi-automatic activity built into most people's daily routine, which makes it a common trigger for incubation effects. Any similarly low-stimulation activity, like walking without headphones or washing up, can produce the same effect.

How long should I try to solve a problem before taking an idea shower?

Spend roughly 15–20 minutes engaging directly with the problem first. Incubation works on ideas you've already started forming, not ones you haven't attempted at all — stepping away too early, before any real engagement, tends to produce less benefit.

Is an idea shower the same as procrastination?

No. Procrastination is avoidance of a task altogether. An idea shower is a deliberate, time-limited break taken after genuine focused effort, specifically to let incubation work on a problem you're already engaged with — it's a documented step in the creative process, not a way of avoiding it.