Stimming & Self-Regulation
Stimming is one of the most visible and most misunderstood aspects of neurodivergence. Whether it is rocking, fidgeting, humming, or repeating words, these behaviours serve real and important functions. Understanding stimming, rather than trying to stop it, is key to supporting neurodivergent wellbeing.
This page explains what stimming is, why it happens, and how it connects to the broader picture of self-regulation.
What is stimming
Stimming is short for self-stimulatory behaviour. It refers to repetitive movements, sounds, or actions that serve a regulatory purpose. Everyone stims to some degree. Tapping a pen, twirling hair, or bouncing a leg are all forms of stimming. For neurodivergent people, stimming tends to be more frequent, more varied, and more necessary.
Stimming is not a problem to be solved. For many neurodivergent people, it is a vital tool for managing sensory input, processing emotions, and maintaining focus. Research shows that autistic people experience stimming as beneficial and necessary for emotional expression and social connection.1
Common types of stimming include visual stimming such as watching lights, spinning objects, or looking at patterns, auditory stimming such as humming, repeating words or phrases, or tapping to create rhythms, tactile stimming such as rubbing textures, picking at skin, or fidgeting with objects, vestibular stimming such as rocking, spinning, swinging, or bouncing, and proprioceptive stimming such as jumping, pressing against surfaces, or seeking deep pressure.
Research comparing self-stimulatory behaviours across autism and ADHD has found that while stimming is more prevalent and varied in autism, it also occurs significantly in ADHD. The patterns differ between conditions, with autism showing more motor and sensory stimming and ADHD showing more fidgeting and movement-based behaviours.2
Why neurodivergent people stim
Stimming serves multiple functions, and these often overlap. Understanding why someone stims is more useful than focusing on what the stim looks like.
Sensory regulation. Many neurodivergent people experience sensory input differently. Some are hypersensitive, meaning everyday sounds, lights, or textures feel overwhelming. Others are hyposensitive, meaning they need more sensory input to feel regulated. Stimming helps balance these differences by either blocking out excess input or providing the input the nervous system needs.
A 2024 study identified distinct sensory processing subtypes across neurodevelopmental conditions, including sensory seeking, over-responsivity, and under-responsivity. Each subtype was linked to different emotional and behavioural patterns, highlighting how sensory processing differences shape self-regulation needs.3
Emotional regulation. Stimming often increases during moments of strong emotion, whether that is anxiety, excitement, frustration, or joy. It helps the body process and discharge emotional energy that might otherwise feel overwhelming.
Meta-analyses consistently show that neurodivergent people, particularly autistic individuals, experience significantly higher levels of emotion dysregulation compared to neurotypical peers. This pattern persists across the lifespan, from childhood through adulthood.4
Focus and cognitive processing. Some stims help maintain concentration. Fidgeting, doodling, or rhythmic movement can support attention and information processing, particularly for people with ADHD.
Communication and expression. Stimming can be a form of communication. Hand flapping when excited, rocking when content, or vocal stimming during conversation can all express internal states that words may not fully capture.
Stimming and emotional regulation
The connection between stimming and emotional regulation is one of the most important things to understand. For many neurodivergent people, stimming is not separate from emotional processing. It is part of how the nervous system manages the intensity of daily experience.
A meta-analysis of 55 studies found that autistic children and adolescents show distinct patterns of emotion regulation, relying more heavily on certain strategies and experiencing more frequent dysregulation. The research highlights the importance of supporting regulatory strategies rather than suppressing them.5
When someone is overwhelmed, their stims may increase in intensity or frequency. This is not a sign that something is going wrong. It is the body’s attempt to cope. Similarly, when someone is calm and content, they may stim in a gentler, more rhythmic way. Learning to read these patterns, in yourself or in someone you support, can provide valuable information about emotional state and needs.
What happens when stimming is suppressed
For many neurodivergent people, stimming has been discouraged or punished throughout their lives. Parents, teachers, and therapists have historically tried to stop stimming because it looked unusual or was seen as disruptive. This approach causes real harm.
Research on masking in autistic adults has documented the significant toll of suppressing natural behaviours like stimming. Participants described masking as exhausting and damaging to their sense of identity, with direct links to increased stress, burnout, and mental health difficulties.6
When stimming is suppressed, the underlying need does not go away. The person still needs to regulate their sensory and emotional experience, but they have lost one of their most effective tools for doing so. This can lead to increased anxiety and overwhelm, because the regulatory mechanism has been removed, internalised shame about natural behaviours, emotional meltdowns or shutdowns when regulation becomes impossible, replacement with less visible but potentially more harmful behaviours such as skin picking or nail biting, and a disconnection from one’s own body and emotional signals.
If you were taught to suppress your stims, that was not your fault. Many neurodivergent people are now reconnecting with their natural regulatory behaviours, and it is never too late to do so.
Supporting healthy self-regulation
Rather than stopping stimming, a more helpful approach is to support self-regulation in ways that work for each individual. This means understanding the function behind the behaviour and finding ways to meet that need safely and effectively.
Create sensory-friendly environments. Reducing unnecessary sensory demands can lower the overall load on the nervous system. This might mean using dimmer lighting, reducing background noise, providing access to comfortable textures, or creating quiet spaces for decompression.
Provide access to stim tools. Fidget toys, chew jewellery, weighted blankets, noise-cancelling headphones, and textured items can all support sensory regulation. What works varies enormously from person to person.
Respect autonomy. The person who is stimming is usually the best judge of what they need. Unless a stim is causing physical harm, it generally should not be discouraged. Even stims that look unusual serve a purpose.
Distinguish between distress and regulation. Not all stimming indicates distress. Many stims are expressions of comfort, focus, or joy. Learning to tell the difference helps you respond appropriately, offering support when it is needed and leaving space when it is not.
Address the environment, not the behaviour. If someone’s stimming increases significantly, the first question should be about what has changed in their environment or experience, not about how to stop the stimming. The stim is the response, not the problem.
Some self-stimulatory behaviours can become harmful, such as head-banging, severe skin-picking, or self-hitting. If you or someone you support engages in self-injurious stimming, please seek guidance from a professional who understands neurodivergence. Your GP can make appropriate referrals, and neurobetter’s Local Services Directory may help you find specialist support nearby.
Stimming across the lifespan
Stimming is not something people grow out of, though it may change over time. Children may stim more visibly, while adults often develop less noticeable stims or learn to redirect their regulatory behaviours. This is not necessarily progress. It can reflect years of social pressure rather than genuine change in need.
There is no age at which stimming becomes inappropriate. Many neurodivergent adults find that reconnecting with their natural stims after years of suppression significantly improves their wellbeing, energy levels, and sense of self.
For parents and carers of neurodivergent children, understanding stimming as a healthy regulatory behaviour rather than a problem to be fixed can transform the relationship. It shifts the focus from compliance to connection, and from correction to curiosity about what the child is experiencing.
Self-regulation beyond stimming
Stimming is one part of a broader self-regulation picture. Other strategies that many neurodivergent people find helpful include movement and exercise, which provide proprioceptive and vestibular input that supports regulation, routine and predictability, which reduce the cognitive and emotional load of uncertainty, creative activities such as drawing, music, or crafting, which can serve similar regulatory functions to stimming, time in nature, which provides calming sensory input and space for decompression, and body-based practices such as yoga, stretching, or breathwork, which help regulate the nervous system.
The most effective approach is usually a combination of strategies tailored to individual sensory and emotional needs. What matters most is that the person has the freedom and support to regulate in ways that work for them.
Your stims are not something to be ashamed of. They are your body’s way of taking care of you. Understanding and accepting them is an act of self-compassion.
Getting support
If you want to better understand your own sensory and regulatory needs, or if you are supporting a neurodivergent person, the following may help.
- Your GP can refer you for occupational therapy assessments focused on sensory processing
- neurobetter’s Local Services Directory can help you find specialist support near you
- neurobetter’s Advice Hub has information on related topics including mental health, identity and self-compassion, and counselling and therapy
- The National Autistic Society provides resources on sensory differences and self-regulation
- ADHD UK has guidance on fidgeting, focus, and self-regulation strategies
- Sensory Integration Education provides information about sensory processing and how to find qualified therapists
-
Morris, I.F., Sykes, J.R., Paulus, E.R., Dameh, A., Razzaque, A., Vander Esch, L., Gruenig, J. & Zelazo, P.D. (2025). Beyond self-regulation: Autistic experiences and perceptions of stimming. Neurodiversity, 3(1). https://doi.org/10.1177/27546330241311096 ↩
-
Oroian, B.A., Costandache, G., Popescu, E., Nechita, P. & Szalontay, A. (2024). Comparative analysis of self-stimulatory behaviors in ASD and ADHD. European Psychiatry, 67(Suppl 1), S220. https://doi.org/10.1192/j.eurpsy.2024.471 ↩
-
Powers, R., Prabhu, N., Katz, N. et al. (2024). Sensory processing subtypes relate to distinct emotional and behavioral phenotypes in a mixed neurodevelopmental cohort. Scientific Reports, 14, Article 29326. https://doi.org/10.1038/s41598-024-78573-2 ↩
-
McDonald, R.G., Cargill, M.I., Khawar, S. & Kang, E. (2024). Emotion dysregulation in autism: A meta-analysis. Autism, 28(7). https://doi.org/10.1177/13623613241257605 ↩
-
Restoy, E. et al. (2024). Emotion regulation and emotion dysregulation in children and adolescents with Autism Spectrum Disorder: A meta-analysis of evaluation and intervention studies. Research in Autism Spectrum Disorders, 113. https://doi.org/10.1016/j.rasd.2024.102333 ↩
-
Miller, D., Rees, J. & Pearson, A. (2021). “Masking Is Life”: Experiences of Masking in Autistic and Nonautistic Adults. Autism in Adulthood, 3(4), 330–338. https://doi.org/10.1089/aut.2020.0083 ↩
This page has had one contribution from our team and community, and was last updated on 19 February 2026. Keeping this content up-to-date is a difficult task, especially as details can change quickly. We welcome feedback on any of the content in the Advice Hub, including any lived experience you can share. Please login or create an account to submit feedback.
neurobetter's content and services are intended to provide information, peer support, and connections to services. They are not intended to replace, override, or contradict medical or psychological advice provided by a doctor, psychologist or other healthcare professional.