Why Five Minutes of Waiting Can Feel Like Twenty With ADHD

The microwave says four minutes. You stand there and somehow live through what feels like fifteen. A friend says "one sec" and it's forty. The waiting room chair, the spinning wheel, the elevator that already knows you're annoyed: none of these are long by the clock. They just don't feel that way to you.

You've probably filed this under impatience, a character flaw you just need to manage better. Wrong file — there's a specific mechanism behind why dead time drags harder for an ADHD brain than it does for everyone else standing in the same line, and once you see it, the fix stops being "try to relax" and starts being something you can actually do.

Boredom Is a Starvation Signal

A 2025 study in Communications Psychology gave adults with and without ADHD text passages of varying complexity and asked them to rate how much information they felt they were taking in, alongside how bored they felt (Seiler et al., 2025). The ADHD group consistently reported extracting less information from the exact same material. They were genuinely decoding less of what was there, not just judging it more harshly. Across the whole sample, that drop in perceived information was the strongest predictor of boredom, stronger than any of the personality traits the researchers also measured.

The authors' interpretation: boredom is your brain's alarm bell for an information deficit. When there isn't enough coming in to chew on, it starts agitating for something with more content. A waiting room is close to the worst-case input for that system: chairs, a magazine you've read, other people's phone calls. Almost nothing coming in. If your baseline intake from a given environment already runs lower, that low-information setting empties out faster for you than it does for the person next to you.

Then your attention turns on the clock itself

Starved attention doesn't just sit idle. It has to point somewhere, and there's a decades-old model of time perception that explains exactly where it goes. The attentional-gate model (Zakay & Block, 1997) describes time estimation as a kind of internal pulse counter: a mental "gate" lets ticks through to an accumulator, and the wider the gate, the more ticks pile up, the longer an interval feels in hindsight.

Here's the part that matters for waiting specifically: attention is a shared resource. Hand it a real task and less of that attention is free to watch the clock, so the gate narrows, fewer ticks get counted, and time feels shorter. Leave it with nothing to do, though, and it drifts straight back to watching the clock: the gate opens wide, and the same sixty seconds registers as far more than sixty seconds' worth of ticks. An empty, low-information interval measurably overestimates itself, because your attention has nowhere else productive to be.

Stack the two findings and you get the actual shape of the problem. Low-information settings hit an ADHD brain's decoding harder, freeing up more attention with nowhere to go, and the attentional-gate mechanism dumps that spare attention straight onto clock-watching. That's why the waiting room chair ends up feeling like it's lasted twice as long as the clock on the wall says it has.

Give the Wait Something to Chew On

The instinct is to pull out your phone and scroll away from the wait entirely. That works sometimes, but it also means you resurface with zero sense of where the wait actually stands, which is its own kind of jarring. You look up and have no idea if you're one minute in or nine.

A 2026 CHI conference study on system-imposed delays tested something more specific: giving people live temporal feedback during a forced wait, like a visible countdown or progress indicator, rather than leaving the delay blank or just distracting through it (Tan & Nov, 2026). Feedback that told people concretely where they stood in the wait changed both how the wait felt and how well people picked their original task back up afterward, compared to a wait with no information about its own progress.

That's the move: feed the wait real information about itself. A countdown timer you can glance at, a progress bar, counting the people ahead of you in line instead of refusing to look. If there's no built-in indicator, build a crude one — set a visible timer for the microwave instead of trusting your gut, or check your position in a phone queue instead of staring at the ceiling. You're handing the exact channel that's starving something to actually process, which is the one thing an empty interval never offers on its own.

The microwave still takes four minutes either way. But the next time you're stuck somewhere with nothing to hold onto, try reaching for a number before you reach for your phone. See what it does to the fifteen-minute feeling.

This is general information, not medical advice. If waiting, focus, or time feels like an ongoing struggle worth addressing directly, that's a conversation for a qualified professional who knows your specific situation.

References

• Seiler, J. P.-H., Elpelt, J., Mashkov, V., et al. (2025). A reduced perception of sensory information is linked with elevated boredom in people with and without attention-deficit hyperactivity disorder. Communications Psychology, 3:47. https://doi.org/10.1038/s44271-025-00233-6
• Zakay, D., & Block, R. A. (1997). An attentional gate model of prospective time estimation. Current Directions in Psychological Science. https://www.montana.edu/rblock/documents/papers/ZakayBlock1995.pdf
• Tan, F. F.-Y., & Nov, O. (2026). Counting the wait: Effects of temporal feedback on downstream task performance and perceived wait-time experience during system-imposed delays. Proceedings of the 2026 CHI Conference on Human Factors in Computing Systems. https://doi.org/10.1145/3772318.3790475