For many people with panic disorder, night is not restful. Once the room becomes quiet, the heartbeat feels louder, breathing feels easier to monitor, and the mind starts asking: what if it happens again while I am asleep?
Insomnia is common in panic disorder. Some clinical studies report insomnia symptoms in about 80 percent of patients with panic disorder, and insomnia may partly explain the link between panic symptoms and depressive symptoms[1]. In plain language, panic can make sleep feel unsafe, and poor sleep can make the body more reactive the next day.
Are panic disorder and insomnia related?
They are often closely connected. Panic disorder increases attention to physical sensations. Insomnia increases fatigue, arousal, and emotional sensitivity. When they meet, bedtime can become a vulnerable period rather than a place of recovery.
A nationwide nested case-control study from South Korea found an association between sleep disorders and panic disorder, with insomnia showing a particularly strong relationship[3]. This does not mean every person with insomnia has panic disorder, but it does mean sleep deserves careful assessment when panic symptoms are present.
Table 1. Common sleep problems in panic disorder
| Sleep issue | How it may feel | Link with panic | Possible result |
|---|---|---|---|
| Difficulty falling asleep | Long time awake in bed | Fear of another attack | More anticipatory anxiety |
| Light sleep | Waking easily | High vigilance | Daytime fatigue |
| Middle insomnia | Waking and not returning to sleep | Fear after bodily sensations | Shorter sleep time |
| Bedtime anxiety | Tension as night approaches | Sleep becomes linked to danger | Avoiding sleep routines |
Why panic disorder can make sleep difficult
People with panic disorder often become highly sensitive to physical sensations such as heart rate, breathing, dizziness, and chest tightness. At night, when distractions fall away, those sensations may become more noticeable.
Research on anxiety sensitivity helps explain this. Hoge and colleagues found that anxiety sensitivity was associated with sleep disturbance in panic disorder, especially longer sleep latency[5]. The body is not simply refusing to sleep. It may be treating quietness as a signal to scan for danger.
What are nocturnal panic attacks?
Nocturnal panic attacks are panic attacks that wake a person from sleep. They may involve sudden fear, racing heart, sweating, trembling, chest tightness, shortness of breath, or a sense of impending death.
Studies estimate that roughly 65 to 70 percent of patients with panic disorder have experienced nocturnal panic attacks. Sleep disturbance may be even more prominent when nocturnal panic and depressive symptoms occur together[4].
Table 2. Nocturnal panic, nightmares and sleep apnea
| Condition | Typical timing | Main clue | What to consider |
|---|---|---|---|
| Nocturnal panic | Sudden awakening from sleep | Fear plus panic sensations | Often leads to fear of sleeping |
| Nightmare | More often during REM sleep | Dream content is remembered | Stress or trauma may be relevant |
| Sleep apnea | Repeated events during sleep | Snoring, choking, daytime sleepiness | Sleep study may be needed |
| Insomnia | Before sleep or after waking | Sleep cannot be initiated or maintained | Anxiety and depression may coexist |
Nocturnal panic is not a character weakness. It is a real physiological and psychological event. Treatment needs to address both the panic disorder and the sleep pattern around it.
How insomnia can worsen panic disorder
Insomnia is not only a symptom of panic disorder. It can become a factor that keeps panic symptoms active. Poor sleep reduces emotional regulation, increases bodily sensitivity, and makes normal sensations feel more threatening.
Chronic insomnia is a clinical condition in its own right and commonly coexists with psychiatric and medical disorders[7]. When panic and insomnia reinforce each other, treating only one side may leave the other side maintaining the cycle.
Table 3. The two-way anxiety-sleep cycle
| Stage | Body or mind state | What may happen | Treatment angle |
|---|---|---|---|
| Panic symptoms | Palpitations, breathlessness | Fear of another night attack | Panic treatment |
| Bedtime vigilance | Scanning the body | Staying awake in bed | Reduce safety behaviors |
| Insomnia | Short or broken sleep | Next-day sensitivity | CBT-I and sleep assessment |
| More anxiety | Lower stress tolerance | Panic triggers more easily | Integrated care |
Panic, insomnia and depression
When panic disorder and insomnia persist together, mood often suffers. Hong and colleagues found that insomnia may partially mediate the relationship between panic symptoms and depressive symptoms in patients with panic disorder[1].
That is why a good assessment should not stop at the number of panic attacks. It should also ask about sleep duration, fear of sleep, nocturnal awakenings, daytime fatigue, loss of interest, and hopelessness.
What sleep problems can appear in panic disorder?
The pattern is not the same for everyone. Some patients mainly have bedtime anxiety. Some wake suddenly with panic sensations. Others sleep lightly and wake feeling as if they never recovered.
A meta-analysis of sleep in anxiety-related disorders found broad evidence for poorer subjective sleep and reduced sleep continuity across anxiety-related conditions[6].
- Longer time to fall asleep
- Repeated worry about having panic attacks at night
- Sudden awakenings with palpitations or breathlessness
- Difficulty returning to sleep
- Daytime fatigue, brain fog or reduced concentration
- Anticipatory anxiety as bedtime approaches
What can help panic-related insomnia?
The goal is not to force the mind to go blank. A more realistic approach is to treat both panic symptoms and sleep disturbance.
Table 4. Treatment directions for panic-related insomnia
| Direction | When it fits | Core focus | Note |
|---|---|---|---|
| Panic treatment | Daytime panic also occurs | Medication, psychotherapy, exposure work | Needs medical assessment |
| Insomnia treatment | Persistent poor sleep | CBT-I, stimulus control, sleep restriction | More than sleep hygiene |
| Bedtime anxiety work | Anxiety rises at night | Reduce body scanning and safety behaviors | Avoid repeated pulse checks |
| Comorbidity review | Low mood, snoring, substance use | Depression, sleep apnea, alcohol, medications | Find what maintains the cycle |
When should you seek assessment?
Occasional poor sleep does not always require urgent care. But professional assessment is reasonable when panic repeatedly disrupts sleep, nocturnal awakenings are frequent, fear of sleep is growing, or insomnia has continued for weeks and affects work or daily life.
Seek help more promptly if there is marked depression, hopelessness, self-harm thoughts, loud snoring, choking during sleep, daytime sleepiness, increasing alcohol use, or escalating use of sedative medication.
Frequently Asked Questions
Q1: Can panic disorder cause insomnia?
Yes. Panic disorder can make sleep difficult through fear of another attack, attention to bodily sensations, bedtime anxiety, and nocturnal panic attacks[1].
Q2: Is waking at night with palpitations always nocturnal panic?
No. Nocturnal panic is one possibility, but sleep apnea, arrhythmia, thyroid disease, reflux, medication effects, alcohol, and nightmares may also need to be considered.
Q3: Can insomnia worsen panic disorder?
It can. Poor sleep may increase bodily sensitivity, lower stress tolerance, and make ordinary sensations feel dangerous[3][7].
Q4: Do I need sleeping pills for panic-related insomnia?
Not necessarily. Treatment depends on the insomnia pattern, panic severity, depression, medication use, and possible sleep disorders. CBT-I, panic treatment, medication review, and sleep-behavior work may all be relevant.
Q5: Can nocturnal panic attacks be treated?
Yes. Treatment usually needs to address panic disorder, sleep habits, anxiety sensitivity, and any coexisting insomnia, depression, substance use, or sleep apnea.
Further reading:
- Panic Disorder: Symptoms, Causes and Treatment
- Why Panic Disorder Can Lead to Avoidance and Agoraphobia
- Panic Disorder and Alcohol: Why Drinking to Calm Anxiety Can Backfire
- Insomnia overview
- GAD-7 anxiety self-assessment
Dr. Tam's clinical note
If you have panic disorder and sleep has become frightening, please do not reduce the problem to "I am just too nervous."
Many patients are not avoiding sleep because they lack discipline. Their body has learned to connect night with danger. In that situation, telling yourself to relax may not be enough. A better assessment looks at panic attacks, nocturnal panic, insomnia, depression, alcohol or sedative use, and possible sleep disorders together.
The aim is not to suppress every heartbeat. The aim is to help the body relearn that night can be safe, and sleep does not have to be a place of danger.
Want to book an appointment with Dr. Tam?
Psychiatrist at Ten-Chan and Ten-Hsiang General Hospital, Zhongli. Consultations in English, Mandarin and Cantonese.
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- Hong S, Kim S, Park DH, et al. The mediating effect of insomnia on the relationship between panic symptoms and depression in patients with panic disorder. J Korean Med Sci. 2021;36(9):e66. doi:10.3346/jkms.2021.36.e66. PMC
- Hovland A, Pallesen S, Hammar A, et al. Subjective sleep quality in relation to inhibition and heart rate variability in patients with panic disorder. J Affect Disord. 2013;150(1):152-155. PubMed
- Park HJ, Kim MS, Park EC, et al. Association between sleep disorder and panic disorder in South Korea: nationwide nested case-control study of data from 2004 to 2013. Psychiatry Res. 2018;260:286-291. PubMed
- Singareddy R, Uhde TW. Nocturnal sleep panic and depression: relationship to subjective sleep in panic disorder. J Affect Disord. 2009;112(1-3):262-266. PubMed
- Hoge EA, Marques L, Wechsler RS, et al. The role of anxiety sensitivity in sleep disturbance in panic disorder. J Anxiety Disord. 2011;25(4):536-538. doi:10.1016/j.janxdis.2010.12.008. PubMed DOI
- Cox RC, Olatunji BO. Sleep in the anxiety-related disorders: a meta-analysis of subjective and objective research. Sleep Med Rev. 2020;51:101282. PubMed
- Morin CM, Benca R. Chronic insomnia. Lancet. 2012;379(9821):1129-1141. PubMed