Can't start a task even when you want to: what research says about autistic inertia

By Mindum · Published 14 October 2026

Wanting to do a task and still not being able to begin is a real experience that autistic adults describe in research. They call it autistic inertia: difficulty starting, stopping or switching between activities, even with things they want to do [1]. The studies are small interviews and focus groups. They record what people say about their own experience. They do not measure how common it is or test what helps, but they do list what some people say helps, further down.

What is autistic inertia?

Autistic inertia is a term for difficulty starting, stopping or switching from one activity to another. In a study of 32 autistic adults, many described these difficulties and said they also affected things they wanted to do. Several described starting as harder than carrying on once begun, and the authors write that participants had as much difficulty stopping as starting [1].

In interviews with 24 autistic adults, the difficulty switching from one thing to another showed up in both directions: hard to start and hard to stop [2]. One participant said, "I have two modes: I have 'can't stop', and 'can't start', and there's nothing in between." Some said the same thing that makes starting and stopping hard also lets them get deeply into something and enjoy it [2].

Autistic researchers were involved in both studies. Both looked for themes in what people said. This kind of evidence is called qualitative. It shows how people describe their own experience.

"Task paralysis" is a common phrase for something close to this. No research definition of it was found, so the studies use "inertia".

Is it the same as procrastination?

Inertia is sometimes compared with procrastination. Research on procrastination suggests that delaying a task can be a way of avoiding an unpleasant feeling in the moment [3]. That research is about procrastination in general. No study found for this article tested the two against each other in autistic adults. One of the inertia studies notes that people may delay a chore they dislike, while inertia also affects things a person enjoys [1]. Whether the two differ in other ways is unknown.

What is "executive dysfunction"?

"Executive dysfunction" is a common phrase, used in psychology, for difficulties with executive functions such as planning, starting and switching tasks. It is not a diagnosis. The inertia studies did not test it as a cause. One of them raises it as a possibility, and the authors write that difficulty initiating may be an outcome of executive dysfunction [1]. It is a suggestion that the studies did not test.

What makes it harder?

In the 32-adult study, people described these as making it harder [1]:

• stress, anxiety, tiredness and sensory overload
• background noise and movement
• pressure, nagging and other people's judgment

In the 24-adult study, people described abrupt interruption, unexpected changes, home chores without outside prompts, and tasks outside their interests as hard [2]. These are lists of what participants said. They are not tested causes.

What do some autistic adults describe as helping?

These are things people said helped them. Nobody tested them, and something that helped one person may add pressure for another.

Not everyone described the same things as helping. Deadlines helped some people. For one participant, a deadline made it harder to start [1]. Music was described as helping some people and not others [1].

What do the studies say about alarms, lists and "just start"?

In the 32-adult study, alarms, lists and reminders were rarely described as helpful. One participant said they remind a person of the task without helping to start it [1]. In both studies, participants described knowing a task was waiting, and wanting to do it, and still being unable to begin [1][2].

In the 24-adult study, some outside support added pressure, and people described that as getting in the way [2].

"Just start" and countdown counting are common advice. No study found for this article tested them.

Does body doubling work?

Body doubling means doing a task while another person is present, in the room or online. It is a common term, and the research found here does not tie it to one definition.

In the 32-adult study, some autistic adults described another person being present, even working quietly nearby, as what helped most with starting [1]. That is their description of their own lives.

No study found tested body doubling in autistic adults. It has been tested in two small studies with different questions. One was an early report, not yet checked by other scientists. In it, 12 adults with ADHD did a bricklaying task in virtual reality and completed more bricks per minute with a human or AI body double than alone. The authors note that earlier findings are inconclusive, and the study was short-term and small [7]. The other was a conference poster on a reading test, in people with and without ADHD. It found no significant effect on performance, focus or calm, and the sample size was not stated [8]. Both looked at how people performed during a task. Neither looked at starting one, and neither included autistic adults. They are used here because no autistic ones were found.

Whether body doubling helps autistic adults start tasks is not known.

What is "waiting mode"?

"Waiting mode" is a phrase used online for not being able to start things while something later in the day is coming. No research was found on it. A health site, writing about ADHD, states it is "not a clinical term", is "commonly reported anecdotally", and that "there currently is no research that specifically examines waiting mode" [9]. No research on waiting mode in autistic adults was found. The only description found is anecdotal.

What are if-then plans?

An if-then plan, also called an implementation intention, is a specific plan in the form "If this happens, then I will do that." For example: "If I sit down with my coffee, then I will open the file."

A large review of studies, mostly in general-population samples, found that specific if-then plans were linked with more people following through on goals. It combined 94 independent tests [4]. One small lab study with 27 autistic adults reported a tentative benefit of if-then planning for remembering planned tasks. It did not test starting tasks [6]. No other study found for this article tested if-then plans with autistic adults. Whether they help with inertia is not known.

Some autistic adults describe added structure as adding pressure [2], so a plan may not suit everyone.

What about monotropism?

One theory, monotropism, proposes that attention in some autistic people is often narrowly focused on a few interests at once, which could make moving it elsewhere take more effort [5]. No test of it as an explanation for inertia was found for this article.

What this does not show

• Neither inertia study measured how common inertia is, and neither tested whether any strategy works. No systematic database search was done for this article.
• Both studies note that people who do not use spoken or written words are likely under-represented. In the 32-adult study, most participants were recruited from an annual event organised by and for autistic people, and the authors say the group should not be considered representative of autistic people as a whole. A diagnosis letter was seen for 14 participants. For the others, the diagnosing clinician and date were recorded. The 24-adult study sample was in Australia, and was mostly white, highly educated and employed.
• Both inertia studies were about autistic adults. No study found here looked at people who are both autistic and ADHD, so it is unknown how this looks when both are present.
• Nothing here shows whether inertia is procrastination, or what causes it.
• If-then plans are tested mostly in people who are not autistic, and not for starting tasks in autistic adults.
• Difficulty starting is also described alongside low mood, anxiety, ADHD and exhaustion [1]. These studies did not look at how these overlap, so they cannot say which one fits a given person. If not being able to start comes with a loss of interest in things once enjoyed, with hopelessness, or with difficulty looking after basics such as eating, sleeping or work, a clinician can look at that.

Sources

1. Buckle KL, Leadbitter K, Poliakoff E, Gowen E. "No way out except from external intervention": first-hand accounts of autistic inertia. Frontiers in Psychology. 2021;12:631596. doi:10.3389/fpsyg.2021.631596
2. Rapaport H, Clapham H, Adams J, Lawson W, Porayska-Pomsta K, Pellicano E. "I live in extremes": a qualitative investigation of autistic adults' experiences of inertial rest and motion. Autism. 2024;28(5):1305-1315. doi:10.1177/13623613231198916
3. Sirois F, Pychyl T. Procrastination and the priority of short-term mood regulation: consequences for future self. Social and Personality Psychology Compass. 2013;7(2):115-127. doi:10.1111/spc3.12011
4. Gollwitzer PM, Sheeran P. Implementation intentions and goal achievement: a meta-analysis of effects and processes. Advances in Experimental Social Psychology. 2006;38:69-119. doi:10.1016/S0065-2601(06)38002-138002-1)
5. Murray D, Lesser M, Lawson W. Attention, monotropism and the diagnostic criteria for autism. Autism. 2005;9(2):139-156. doi:10.1177/1362361305051398
6. Kretschmer A, Altgassen M, Rendell PG, Bölte S. Prospective memory in adults with high-functioning autism spectrum disorders: exploring effects of implementation intentions and retrospective memory load. Research in Developmental Disabilities. 2014;35(11):3108-3118. doi:10.1016/j.ridd.2014.07.052
7. Ara Z, et al. You are not alone: designing body doubling for ADHD in virtual reality. Preprint, not peer reviewed. arXiv:2509.12153, 15 September 2025. arxiv.org/abs/2509.12153
8. Schuenke R, Moore M. Evaluating the efficacy of body doubling for ADHD using a brain-computer interface. Poster, CCSC Central Plains, Drake University, 2025. ccsc.org/centralplains/2025/talks/talk-poster16
9. Healthline. ADHD waiting mode. Medically reviewed by Bethany Juby, PsyD. 13 September 2024. healthline.com/health/adhd/adhd-waiting-mode

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