Exhausted but unable to switch off
You changed three time zones in two days. The hotel room is comfortable. The bed is fine. But at 2 am your mind is still running, your body still thinks it is afternoon back home, and the sleep you desperately need will not come.
This pattern — exhausted yet wired — is not imagination. Long-haul flights, sudden time zone changes, and the low-level stress of navigating an unfamiliar environment all push the autonomic nervous system into a state of sustained sympathetic (alert) activation. The parasympathetic shift that normally triggers sleep cannot get through. Acupuncture works at that switch.
🏛️ In Japan, acupuncture is a nationally licensed profession. Practitioners must pass the Harikyu-shi (はり師・きゅう師) national licensing examination — administered under the same national framework that licenses doctors and nurses. Our clinic's acupuncturists hold these national licenses. This is fundamentally different from massage or spa services offered without medical training.
自律神経
jiritsu-shinkei — the autonomic nervous system
Two opposing systems run your body around the clock. Sympathetic (交感神経): alert, active, ready to respond — dominant during the day. Parasympathetic (副交感神経): rest, recover, repair — dominant at night. Sleep begins only when the parasympathetic system wins the handover. Jet lag, travel stress, and hotel insomnia all trace back to one problem: this handover is stuck or delayed. Acupuncture targets this specific mechanism.
Why travel disrupts the autonomic switch
① Circadian rhythm vs. local time
Your body clock — the circadian rhythm — is set by light exposure, meal timing, and social cues at your origin time zone. Arrive in Japan from Europe or North America and the internal clock is still running on home time. The hormones (cortisol in the morning, melatonin at night) release on the old schedule. Your autonomic nervous system stays in the sympathetic "daytime" mode long past local midnight, because, biochemically, it still thinks it is afternoon.
② Long-haul flight physiology
Economy seating keeps the body in a sustained low-level stress posture for ten or more hours. Cabin pressure, dehydration, noise, and the mild hypoxia of pressurised air all push the sympathetic nervous system upward. You land already in a heightened state, which the time-zone mismatch then maintains.
③ Unfamiliar environment
A new room, new sounds, new smells, temperature unfamiliarity — the brain processes these as low-level threats and keeps sympathetic tone elevated as a precaution. This is entirely normal and not anxiety in any clinical sense, but it makes the parasympathetic handover harder on the first night or two.
Honest framing: acupuncture aims to support the autonomic handover, not to artificially force sleep. Results vary by individual and by how many days of disruption have accumulated. The goal is to give the parasympathetic system the conditions to do what it naturally does — we are not overriding biology, we are reducing what is blocking it.
Four sleep patterns disrupted by travel
🛏️
Can't fall asleep
Body clock says it's daytime. Mind racing. Sympathetic system won't release.
🌙
Wake at 3–4 am
Fall asleep at local time, then surface at what would be morning back home.
😴
Sleep but wake unrefreshed
Hours pass but sleep is shallow. Muscle tension and mild stress keep recovery incomplete.
✈️
Return-trip crash
Re-entry jet lag after a long trip, compounded by accumulated fatigue.
The common thread across all four is the same: the parasympathetic nervous system is not getting enough dominance time. Whether the problem is entry, mid-sleep surfacing, or depth of sleep, the autonomic mechanism is the same circuit. Acupuncture addresses this circuit, not the individual symptom.
Five acupoints used for sleep and autonomic regulation
The following points are drawn from our clinical practice and from research on autonomic nervous system modulation cited in our Japanese-language column on autonomic acupoints (Li YW et al., Frontiers in Neuroscience, 2022). Selection and combination are adjusted to each person — these are the starting points, not a fixed prescription.
① Neiguan — PC6 (inner wrist)
📍 Inner forearm, 3 finger-widths from the wrist crease, between the two tendons.
The most researched acupoint for autonomic modulation. Used for palpitations, anxiety, and inability to sleep. PC6 stimulation increases HF heart rate variability — the measurable marker of parasympathetic activity — in multiple controlled studies (Chang S et al., Chinese Journal of Physiology, 2008 · PMID: 18935912). Also the point for motion sickness and nausea, relevant for those still unsettled from a long flight.
② Baihui — GV20 (crown of the head)
📍 Top of the skull, at the intersection of the midline and a line connecting the tips of both ears.
Used to calm overactive mental activity — the racing thoughts that prevent sleep onset. Research on GV20 stimulation in patients with generalised anxiety (Dhanushya Devi G et al., Int J Psychiatry Med, 2025 · PMID: 41101756) showed significant reductions in anxiety measures. The point also features in the bedtime self-care routine from our Japanese acupoint column.
③ Sanyinjiao — SP6 (above inner ankle)
📍 Inner leg, 4 finger-widths above the highest point of the inner ankle bone, behind the tibia edge.
The intersection of three meridians (spleen, liver, kidney). Used for sleep depth, cold extremities, and the general restoration quality of sleep. Commonly used in combination with PC6 and GV20 in bedtime clinical protocols. Note: contraindicated during pregnancy — please advise us if you may be pregnant.
④ Zusanli — ST36 (below the knee)
📍 Outer lower leg, 4 finger-widths below the lower edge of the kneecap, just lateral to the tibia.
A broad-spectrum autonomic regulation point. Used when travel fatigue manifests as digestive disruption (irregular appetite, bloating, irregular bowel pattern) alongside sleep disturbance. ST36 is one of the most frequently studied points in autonomic research (Li YW et al., Frontiers in Neuroscience, 2022 · PMID: 36570846).
⑤ Hegu — LI4 (web of thumb and index finger)
📍 Back of the hand, in the fleshy web between the thumb and index finger, on the index-finger side of the midpoint.
Stress, tension, and headache release. LI4 stimulation produced a significant decrease in heart rate (Haker E et al., Journal of the Autonomic Nervous System, 2000 · PMID: 10683506). Useful when sleep disruption comes with travel headache or shoulder tension from carrying luggage. Note: traditionally contraindicated during pregnancy.
How a session works at our clinic
1
Consultation (English + translation app)
How many nights have you not slept, what pattern is the disruption taking, what time did you arrive, how your body is feeling beyond just sleep. We want to understand the overall picture before choosing points.
2
Assessment — muscle tension and stress points
We palpate the neck, shoulders, and upper back. Sustained sympathetic activation shows up as specific tight bands in these muscles — particularly the trapezius, levator scapulae, and suboccipital group. Where we find the tension informs which combination of acupoints we begin with.
3
Acupuncture — autonomic-focused points
Needles are placed at the selected points — typically PC6 (inner wrist), GV20 (crown), SP6 (ankle), and one or two additional points based on your pattern. You will feel a dull heaviness when a needle reaches an active point. Most people find this unexpectedly calm and sometimes mildly sleepy before the session is even over. Needles remain in place for 15–20 minutes.
4
Combined care if indicated
If shoulder and neck tension is contributing — common after long flights — the director (nationally licensed judo-therapist, 14+ years experience) may add manual mobilisation for the cervical and thoracic spine. This further reduces sympathetic tone from muscle tension. Nothing forceful, nothing without your understanding.
5
Evening guidance
Simple adjustments for the rest of your day that support the parasympathetic shift: screen light timing, bath or shower timing, what to eat and not eat close to bed. Demonstrated physically — language is not a barrier for this part.
When to see a doctor first
Jet lag and travel insomnia are appropriate for acupuncture. Some sleep difficulties are not. Please see a doctor — not us — before booking if any of the following apply:
⚠️ Please see a doctor first if:
· Sleep problems lasting more than 4 weeks with significant daytime impairment (clinical insomnia — a doctor can assess and, if appropriate, prescribe medical treatment such as CBT-I or short-term medication)
· Strong daytime sleepiness affecting your ability to drive or operate machinery — this represents a real accident risk and needs medical evaluation, not acupuncture
· Persistent low mood, loss of interest, or feelings of hopelessness accompanying sleep difficulties — these can indicate depression, which requires medical assessment first
· Sleep problems following a severe emotional trauma
· Breathing stops during sleep / partner reports you stop breathing — this can indicate sleep apnoea, a physical condition that is not addressable by acupuncture
If none of the above apply and your sleep disruption is linked to travel, time-zone change, or an unfamiliar environment — that is the situation we are well placed to help with.
Clinical evidence
① Huang W, Kutner N, Bliwise DL — Sleep Medicine Reviews, 2009 · PMID: 19097814
Systematic review of 30 studies on acupuncture for insomnia, covering both English and Chinese literature. 93% of the reviewed studies reported positive effects of acupuncture on aspects of sleep, and acupuncture was found to be safe. The authors also state plainly that the evidence is limited by study quality and that results from sham-controlled trials were mixed — we quote both halves of that conclusion, because the honest version is the useful one.
② Hamvas S et al. — Complementary Therapies in Medicine, 2023 · PMID: 36494036
Meta-analysis of 9 randomised controlled trials. Real acupuncture (vs. sham control) produced a significant increase in HF heart rate variability — the objective measure of parasympathetic nervous activity — and a decrease in the LF/HF ratio (the marker of sympathetic dominance). The sham group showed no equivalent effect. This is the clearest controlled evidence that acupuncture's sleep-supportive effect operates via measurable autonomic change, not suggestion. https://pubmed.ncbi.nlm.nih.gov/36494036/
③ Uchida C et al. — Medical Acupuncture, 2018 · PMID: 29682149
In 25 healthy adult males, a single acupuncture session shifted the HF normalised unit (parasympathetic activity marker) from 53.7% to 69.5%, while LF/HF fell from 1.11 to 0.47, and resting heart rate dropped from 58.3 to 55.4 bpm. A clear, single-session, measurable shift from sympathetic toward parasympathetic dominance. https://pubmed.ncbi.nlm.nih.gov/29682149/
④ Li YW et al. — Frontiers in Neuroscience, 2022 · PMID: 36570846
Comprehensive review of the autonomic nervous system as a mediating mechanism in acupuncture efficacy. Identifies PC6, ST36, and GV20 as the most frequently studied acupoints in autonomic research. Describes three proposed pathways: vagal afferent activation → brainstem parasympathetic nucleus; endorphin/serotonin release reducing anxiety and arousal; and direct muscle tension reduction reducing sympathetic input from tight muscles. https://pubmed.ncbi.nlm.nih.gov/36570846/
We aim to support sleep quality and help reduce the autonomic disruption caused by travel. Individual results vary. This article is not a promise of specific outcomes. If your sleep difficulties are severe or accompanied by any of the warning signs above, please consult a doctor before booking.
Plans for International Visitors (tax included)
🩹 Pain Relief Session
¥10,000 / approx. 60 min
- Consultation & assessment (translation app support)
- Acupuncture by a nationally licensed practitioner + medical devices
- Best for: jet lag insomnia, first night, "I just need to sleep tonight"
🪡 Premium Acupuncture Experience
¥15,000 / approx. 90 min
- Full consultation + traditional Japanese acupuncture & moxibustion (o-kyu)
- Performed by nationally licensed acupuncturists (Harikyu-shi)
- Best for: accumulated travel fatigue, whole-body reset, the authentic experience
Fixed all-inclusive prices. No tipping in Japan. Payment: cash or credit card (VISA / Mastercard / JCB).
Japanese health insurance holders: your insurance applies as normal for eligible conditions — ask at reception.
Our phone line is Japanese-only. LINE or email is the most reliable way to communicate in English.
FAQ
What is jet lag and why does it affect sleep so badly?
Jet lag occurs when rapid travel across time zones creates a mismatch between your internal body clock (circadian rhythm) and the local light-dark cycle. Your sleep-wake cycle is governed by the autonomic nervous system — specifically the shift from sympathetic (alert) to parasympathetic (rest) dominance. When this timing is disrupted, the parasympathetic shift that should trigger sleepiness does not arrive at local bedtime. This is why you can feel exhausted but completely wired at 2 am in your hotel.
How does acupuncture support sleep?
Acupuncture stimulates acupoints that influence the autonomic nervous system via vagal afferent pathways. Research measuring heart rate variability (HRV) shows that needle stimulation increases the HF component — a marker of parasympathetic activity — and reduces the LF/HF ratio. In a 2018 Japanese study (Uchida et al., Medical Acupuncture), a single session shifted parasympathetic activity from 53.7% to 69.5%, with heart rate falling from 58.3 to 55.4 bpm. This measurable shift toward parasympathetic dominance is the mechanism underlying the calm, sleep-ready feeling many people report after a session.
Which acupoints are used for insomnia and jet lag?
Points most commonly used for autonomic regulation and sleep include: Neiguan (PC6, inner wrist) — the most researched point for autonomic modulation, also used for palpitations and anxiety; Baihui (GV20, crown of head) — calms overactive mental activity; Sanyinjiao (SP6, above inner ankle) — supports sleep depth; Zusanli (ST36, below the knee) — overall autonomic balance; Hegu (LI4, between thumb and index finger) — stress and tension release. Combinations are adjusted to each individual.
Does acupuncture hurt?
Japanese acupuncture needles are extremely thin (0.16–0.25 mm) with no cutting edge — nothing like an injection. What most people feel is a dull heaviness when a needle reaches an active point. The sleep-focused points — PC6 at the wrist, GV20 at the crown, SP6 above the ankle — are generally among the more comfortable. We check in throughout and adjust stimulation as needed.
Can I sleep normally after the session?
Most people find sleep easier that night, and some feel pleasantly tired in the way that follows good exercise — ready rather than wired. There is no downtime. We recommend drinking water, avoiding alcohol that evening, and keeping warm. If you have a busy evening planned, a morning or afternoon booking works well.
Where is the clinic and how do I get there?
2-1-62-1F Hiikawa, Jonan-ku, Fukuoka 814-0153. Approximately 15 minutes by taxi from Tenjin or Hakata Station. Free parking available. See our
access page for the address in Japanese to show your taxi driver.
References
1. Huang W, Kutner N, Bliwise DL. "A systematic review of the effects of acupuncture in treating insomnia." Sleep Med Rev. 2009;13(1):73-104. https://pubmed.ncbi.nlm.nih.gov/19097814/
2. Hamvas S et al. "Acupuncture increases parasympathetic tone, modulating HRV — systematic review and meta-analysis." Complementary Therapies in Medicine. 2023;72:102940. https://pubmed.ncbi.nlm.nih.gov/36494036/
3. Uchida C et al. "Evaluation of Autonomic Nervous System Function Using Heart Rate Variability Analysis During Transient Heart Rate Reduction Caused by Acupuncture." Medical Acupuncture. 2018;30(3):107–114. https://pubmed.ncbi.nlm.nih.gov/29682149/
4. Chang S et al. "Effects of acupuncture at Neiguan (PC 6) on blood pressure and heart rate variability." Chinese Journal of Physiology. 2008;51(3):167–177. https://pubmed.ncbi.nlm.nih.gov/18935912/
5. Li YW et al. "The autonomic nervous system: A potential link to the efficacy of acupuncture." Frontiers in Neuroscience. 2022;16:1038945. https://pubmed.ncbi.nlm.nih.gov/36570846/
6. Dhanushya Devi G et al. "Effect of Acupuncture at HT-7 and GV-20 on Anxiety and Cardiovascular Functions in Generalized Anxiety Disorder." International Journal of Psychiatry in Medicine. 2025. https://pubmed.ncbi.nlm.nih.gov/41101756/