Restlessness
Medically reviewed by the Shrinkopedia editorial team, led by Shariq Refai, MD, MBA, FAPA.
5 min read · 1,227 words
- Medically reviewed . Reviewed by a board-certified psychiatrist before publication.
- Sourced from primary literature . DSM-5-TR, NICE, the American Psychiatric Association, the NIMH, Cochrane, peer-reviewed research.
- Dated and kept current . Every entry shows when it was published, reviewed, and last updated.
- Honest about uncertainty . Each entry carries an evidence-strength rating and a "what we know and what we don't" section.
- Independent . No advertising, no affiliate revenue, no sponsored content.
Restlessness is a physical and mental sense of being unable to settle, keyed up, on edge, and needing to move. It's a symptom rather than a diagnosis. It shows up in anxiety and depression, in ADHD, with stimulants or caffeine, and in withdrawal states, and it can also have medical causes. New or persistent restlessness deserves a clinical look.
Definition
Restlessness is the experience of not being able to settle, in body or mind. The body wants to move, shift, pace, or fidget, and the mind feels keyed up rather than calm. It can be mild background agitation or an intense, hard-to-tolerate urge.
It's listed as a symptom in DSM-5-TR. In generalized anxiety disorder, one of the diagnostic features is "restlessness or feeling keyed up or on edge." But restlessness isn't specific to anxiety. It's a common, somewhat nonspecific symptom that can arise from many directions, which is why its meaning depends on the rest of the picture.
Symptoms and key features
Restlessness tends to involve:
- a physical urge to move, fidget, or pace, and difficulty staying still
- a keyed-up, on-edge feeling, as if the body won't power down
- trouble relaxing, settling into rest, or sitting through quiet activities
- it often comes with other anxiety signs, like a fast heartbeat or racing thoughts
- in depression, it can show up as visible agitation rather than slowness
What it looks like
- You sit down to relax and within minutes you're up again, unable to stay put.
- Your leg bounces, your hands fidget, and stillness feels almost physically uncomfortable.
- After a strong coffee, or while cutting back on something, your whole system feels revved up.
- The feeling is keyed up rather than energetic, an urge to move without anywhere to go.
What people often confuse this with
Akathisia. Akathisia is a specific, drug-induced restlessness, an intense inner urge to move that is caused by certain psychiatric medications, particularly some antipsychotics. It's a movement side effect, not anxiety, and it matters: a prescriber needs to recognize it and adjust the medication. If restlessness begins or worsens after starting or changing a psychiatric medication, that's important to raise with the prescriber.
Ordinary fidgeting or high energy. Some people are naturally active or fidgety, and that's not a symptom. Restlessness as a symptom carries a keyed-up, can't-settle quality and a sense of discomfort with stillness.
ADHD hyperactivity. Hyperactivity in ADHD is a longstanding pattern present since childhood. Restlessness as a symptom of anxiety or depression tends to track with mood and stress, and may be newer.
Reality check
Myth: Restlessness is always anxiety.
Restlessness is a feature of anxiety, but it also appears in depression, ADHD, withdrawal states, with caffeine or stimulants, and in medical conditions. Assuming it's anxiety can miss another cause worth treating.
Myth: If I'm restless, I just need to burn off energy.
Movement and exercise can help, but restlessness that's persistent, drug-related, or tied to a medical condition won't simply be exercised away. The cause is what determines what helps.
Myth: Drug-induced restlessness will pass on its own.
Akathisia from medication is not something to wait out quietly. It's treatable, and it needs a prescriber's attention, because it can be distressing and is sometimes mistaken for worsening anxiety.
What research says
Restlessness is well described clinically as a symptom, though as a nonspecific feature its evidence is mixed.
- It's a recognized symptom of anxiety. DSM-5-TR lists "restlessness or feeling keyed up or on edge" among the features of generalized anxiety disorder.
- It appears in depression. Restlessness is part of agitated depression, where a person is visibly unsettled rather than slowed down.
- It has many other causes. Restlessness occurs in ADHD, with stimulant or caffeine use, in withdrawal states, and as akathisia from certain psychiatric medications.
- It can be medical. Conditions such as an overactive thyroid and restless legs syndrome can produce restlessness, so a clinical assessment is worthwhile when it's new or persistent.
What we know and what we don't know
What we know
- Restlessness is a real symptom, listed in DSM-5-TR, and a feature of generalized anxiety disorder.
- It appears across many conditions, including depression, ADHD, and withdrawal states.
- Akathisia is a specific, treatable, drug-induced form that a prescriber needs to recognize.
What we don't know
- As a nonspecific symptom, restlessness has no clean prevalence figures of its own.
- Telling apart anxious restlessness, agitated depression, akathisia, and medical causes can take careful clinical assessment.
- Why some people experience restlessness more readily than others isn't fully understood.
Questions people ask
What's causing my restlessness?
Many things. Anxiety, ADHD, mania, medication effects (particularly some antidepressants and antipsychotics), caffeine, restless legs syndrome, akathisia, and physical illness can all cause restlessness. Context clarifies which.
Is akathisia serious?
It can be. Akathisia is a specific medication-induced restlessness, usually from antipsychotics or some antidepressants, that produces an intense inner drive to move. It's associated with distress and, in some cases, increased suicide risk. New or worsening akathisia after starting a psychiatric medication is worth telling the prescriber immediately.
Can restlessness be part of depression?
Yes. Agitated depression involves restlessness, pacing, and inability to sit still, along with the mood and cognitive symptoms of depression. It's treated as depression.
When is restlessness ADHD?
When it's been present since childhood, when it's consistent across settings, and when it comes with other ADHD features (difficulty sustaining attention, impulsivity, disorganization). Evaluation clarifies.
What helps in the moment?
Depends on cause. For anxiety-related restlessness, breathing, movement, and reducing caffeine. For akathisia, urgent medication adjustment. For mania, urgent evaluation. For general restlessness, physical activity often helps more than trying to sit still.
Sources
- American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR).
- National Institute of Mental Health (NIMH). Anxiety Disorders and Depression overviews.
- Clinical literature on akathisia as a medication side effect.
- General medical references on causes of restlessness, including thyroid disorders and restless legs syndrome.
Read how Shrinkopedia builds and reviews its content.
How to cite this page
- Short
Restlessness. Shrinkopedia, medically reviewed by Shariq Refai, MD, MBA. https://shrinkopedia.com/symptoms/restlessness/- APA
Shrinkopedia. (2026, May 24). Restlessness. Medically reviewed by Shariq Refai, MD, MBA. https://shrinkopedia.com/symptoms/restlessness/- MLA
"Restlessness." Shrinkopedia, 24 May 2026, https://shrinkopedia.com/symptoms/restlessness/.
Click a citation to select it.
Medical disclaimer
Shrinkopedia is for education, not medical advice. It can't diagnose you, and it isn't a substitute for care from a licensed clinician. If restlessness is new, persistent, or began after a change in medication, a clinician can help find the cause and address it.
If you're in crisis or thinking about harming yourself, call or text 988 in the US to reach the Suicide and Crisis Lifeline, or call 911.
See where this fits in the Atlas: how your mind works →
Walk the connection from this entry outward.
- 1 SYMPTOM Restlessness (current)
The Knowledge Path is a curated walk. Every step is one decision away from the next.
You are here: Shrinkopedia, the concept layer of The Shrink Network.
Understand the idea here first, then follow it to the property that takes it further.
Read a related symptom →Want to understand more first?
- Understand anxiety at AnxietyResource →
- Work with the pattern at shrinQ →
- Consider clinical evaluation at shrinkMD →
Disclosure: shrinkMD is the clinical care practice within The Shrink Network, the same network that publishes Shrinkopedia. Shrinkopedia takes no referral or affiliate commission for care.