What Is the Vestibular System — And Why Spinning Isn't Just Silliness
When your kid spins until they fall over laughing, their body is doing something purposeful. Here's what's actually happening — and why you should let them keep going.
There's a spinner at our local park. It's one of those big ones with a stained glass art piece at the top — deep blues and greens and golds — and when you spin the base, the whole thing moves and the colors catch the light and the reflections spin across the ground beneath it. My oldest discovered it sometime around age two and has been devoted to it ever since.
He spins himself until he's stumbling, laughing so hard he can barely stand, and then he looks up at me with the most purely delighted expression I've ever seen on a human face — and gets back on and does it again. I used to wonder if I should slow him down. Now I know better. That child is not being silly. His nervous system is doing exactly what it was designed to do, and it is loving every second of it.
Understanding the vestibular system changed how I see my kids' movement. It might change how you see yours too.
What the vestibular system actually is
The vestibular system lives in your inner ear — specifically in a structure called the vestibular apparatus, which contains tiny fluid-filled canals and chambers lined with hair-like sensors. When your head moves, the fluid shifts, the sensors fire, and your brain receives information about where your head is in space, which direction you're moving, and how fast.
It's your body's primary sense of balance and spatial orientation. It's what keeps you upright when you stand, tells you which way is down when you close your eyes, and lets you read in a moving car without completely losing track of where your body is. It works in partnership with your vision and your proprioceptive system (the sense of where your body is in space) to keep you oriented and regulated at all times.
When a child seeks vestibular input — spinning, swinging, rolling, hanging upside down, rocking — they're feeding that system. They're giving their brain the movement information it needs to feel regulated, grounded, and ready to engage with the world.
The sleep regression that taught me everything
Around 16 months, my oldest hit a sleep regression that knocked us sideways. He couldn't settle. Couldn't wind down. The bedtime routine that had been working suddenly wasn't, and no amount of books or quiet time or dimmed lights seemed to help him get from the energy of the day to the calm he needed to sleep.
What I noticed was that he needed to move through the transition. Not be eased into stillness — moved through it. Full body crashing, tumbling, rolling around on the floor. He needed to shake off the day physically before his nervous system could let go of it.
We ended up installing a ceiling mount in his room so he could swing. A hammock swing for deep pressure and gentle rocking. A bar attachment he could spin on. We started building movement into the wind-down rather than trying to skip straight to stillness — and everything shifted. Not immediately, not perfectly, but in the direction of better. His nervous system needed that vestibular input to regulate. Once it got it, sleep became possible.
What vestibular seeking looks like in toddlers
Every vestibular-seeking kid looks a little different, but there are patterns. My son is a spinner and a swinger. Other kids are rollers or rockers. Some hang upside down off every piece of furniture in the house. Some run in circles until they're dizzy and then do it again. Some love the feeling of being tipped, swung, or turned upside down by a trusted adult — and ask for it repeatedly.
Spinning — in circles, on swings, on playground equipment — far more than peers
A noticeably high threshold for dizziness — spins much longer before feeling it
Seeking out swings, roundabouts, and spinning playground toys with intensity
Rolling down hills, across floors, along furniture
Rocking — in chairs, on the floor, while sitting
Hanging upside down or dangling from things frequently
Loving to be swung, tipped, or turned upside down by adults
Difficulty transitioning to stillness — especially at sleep times
Seeming to need movement to focus or calm down
The high threshold for dizziness — what's happening there
One thing parents often notice about vestibular seekers is that they seem to have a much higher threshold for dizziness than other children. Your kid spins twenty times and barely wobbles. You spin twice and need to sit down. What's going on?
It's about how the brain processes vestibular input. For children who are under-responsive to vestibular stimulation — meaning their brain needs more input than average to register the sensation — the dizziness signal comes later and less strongly. Their system has a higher "volume threshold." So they keep spinning, keep swinging, keep seeking, because the input that would overwhelm another child barely registers for them.
This isn't dangerous in itself. It's their normal. What it means practically is that they genuinely need more vestibular input than other kids to feel the same sense of regulation — and that trying to stop the spinning before their system is satisfied is like turning off a meal halfway through. The need is still there. It'll come out somewhere else.
Why it matters for learning and regulation
The vestibular system doesn't just affect balance and movement — it has deep connections to attention, arousal, and emotional regulation. A well-fed vestibular system contributes to a child who is alert, focused, and emotionally available. An under-stimulated one contributes to a child who is dysregulated, distracted, and seeking movement at the expense of everything else.
This is why vestibular-seeking children often struggle to sit still in traditional learning environments. Not because they can't focus — because their nervous system is still looking for the input it needs to be able to. Movement isn't the enemy of learning for these kids. It's the prerequisite.
In the classrooms I worked in, I saw this play out repeatedly. The child who couldn't sit at circle time would often do beautifully at a standing activity, or after a movement break, or when given something to fidget with. The movement need, once met, freed up cognitive resources for everything else.
Vestibular activities to try at home
- Swinging — back and forth is calming, rotary (spinning) is alerting. Both are valuable. If you can install a ceiling swing, it's one of the best investments for a vestibular seeker.
- Spinning — let them spin. On a swing, on a playground spinner, in your arms. If they want more, they need more. Trust the system.
- Rolling — down a grassy hill, across the living room floor, wrapped in a blanket like a burrito. Slow rolling is regulating, fast rolling is stimulating.
- Rocking — a rocking chair, a hammock, being rocked in your arms. Rhythmic rocking is one of the most calming vestibular inputs and works at any age.
- Upside down — hanging their head off the couch, being held upside down briefly, forward rolls and somersaults. Inverted positions are powerful vestibular input.
- Balance beam or stepping stones — challenges the vestibular system in a more controlled way. Great for kids who need input but are in a context where spinning isn't practical.
- Dancing — especially fast spinning, jumping, or direction-changing movement. Put on music and get chaotic. It counts.
- Movement as part of wind-down — counterintuitive but effective. For many vestibular seekers, 10–15 minutes of intentional movement before bed actually helps them settle, rather than wiring them up further.
A note on vestibular sensitivity
Not all vestibular differences look like seeking. Some children are over-responsive to vestibular input — easily motion sick, fearful of heights or swings, reluctant to have their feet leave the ground. These children need the same understanding and patience, just with the opposite approach: gentle, gradual, always within their comfort level. Their system isn't broken either. It's just set to a different sensitivity.
If your child's vestibular responses — seeking or avoiding — feel intense or are significantly affecting daily life, it's worth talking to your pediatrician or an occupational therapist who specializes in sensory integration. This post is a starting point, not a clinical assessment.
The next time your kid asks to be spun one more time, or makes a beeline for the park spinner and doesn't stop for twenty minutes — know that they're not being wild. They're being exactly who they are. Their nervous system is doing its job, asking for what it needs, in the most joyful, whole-body way it knows how.
Let them spin. 🌀
— Micaela, Founder of Chaotic Connections
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