Relapy is a next-generation pet-type hugging pillow that reproduces “heartbeat” and “warmth,” developed by Gunma Denki Co., Ltd. a precision equipment manufacturer based in Gunma Prefecture, Japan, by combining its technological capabilities. The product has been fully supervised by Dr. Akimine Nakayama, director of Meiho Sleep and Dizziness Clinic, a sleep specialist, and is designed to improve sleep environment and stress care based on scientific evidence, going beyond mere healing goods.
Product Overview
The greatest feature of the product is the reproduction of “heartbeat (pulsation)” by the heart sound unit, which is based on our unique patented technology. This heartbeat mimics the rhythm of a human being in a state of deep relaxation, and is intended to create an “entrainment phenomenon” in which the user’s heartbeat and breathing naturally synchronize with the rhythm of the product as he or she embraces it. It is also equipped with an intelligent program that gradually and slowly changes the interval between heartbeats as the user falls asleep. This provides an overwhelming sense of security, as if the user is sleeping with a real pet or baby.
In addition, a warm heater with a temperature of about 38°C, close to that of human skin, is built into the inside of the device, and when the user holds it in his/her arms or chest, a warmth is transmitted to the arms and chest. The synergistic effects of this “warmth” and “faint heartbeat” help relieve loneliness and activate the parasympathetic nervous system, attracting attention as a partner to relieve the chronic tension that modern people suffer from.
Summary of key points
What is Relapy?
- Biometric Healing: A high-tech pillow supervised by a sleep specialist that reproduces “heartbeat” with precision motor technology and “body temperature” with a heater.
- Two personalities to choose from: “Golden Retriever” with an adorable expression and “British Shorthair” with an elegant appearance.
- Trust in Made in Japan: The heart of the product, the built-in device, is manufactured in Japan, providing natural, discomfort-free, and delicate vibrations.
good point
- Physiological Relaxation Effect: Changes in heartbeat rhythm naturally relaxes the tense body and shortens the time it takes to fall asleep.
- Exquisite temperature design: The “not too hot” temperature of 33°C to 38°C keeps the user comfortable for a long time, just like after a bath.
- High safety and energy saving: A timer that automatically stops after 60 minutes prevents low-temperature burns while thoroughly minimizing unnecessary battery drain.
- Battery/AC Hybrid: Use wireless (battery) if you want just a heartbeat, or power supply if you want warmth, depending on the situation.
points of concern
- Power supply limitations: To take full advantage of the warm heater function, power must be supplied via the included USB cable (1.2 m). Depends on the location of the power outlet.
- Cleaning Limitations: Due to the high density of electronic components, washing the entire unit is strictly prohibited. Frequent brushing and wiping are essential for cleanliness.
- Size: Because the size is similar to that of a real pet, the main use is to be stationed on a bed or sofa rather than for carrying around.
Users who may be suitable for
- People who suffer from insomnia or mid-wake: people who are easily anxious when alone in a dark room or have trouble falling asleep.
- People seeking animal therapy: Apartment dwellers who are not allowed to have pets or people who cannot touch animals due to allergies.
- People who value mental health care: People who are highly stressed at work and need a deep rest (power nap), even for a short period of time.
- Gifts for loved ones: Students just starting to live on their own, elderly parents living apart, etc.
rough conclusion
Just by hugging, loneliness is transformed into peace of mind. The ultimate mental care partner that uses science to recreate the sparkle of real life (heartbeat and body temperature).”
Frequently Asked Questions (FAQ)
Bulleted summaries
- Price: around 16,500 yen (tax included). Available at the official website, Amazon, and major electronics retailers.
- Functions: 2-step pulse rhythm switching between strong and weak + warmth heater with a maximum temperature of approximately 38°C.
- Power supply: Beating only = 2 AA batteries, combined use with heater = included AC adapter (1.2 m cable).
- Life span: Approx. 4 months on dry cell batteries when used once a day (60 minutes).
- Inspection: When the battery power is low, the button flashes red to notify the user when it is time to replace the battery.
- Update: Complete without communication or application linkage. No need for complicated update process.
Can the speed or intensity of the heartbeat be changed?
Yes, it can be adjusted to the user’s preference. By pressing and holding the power button on the back for approximately 2 seconds, the mode is toggled. There is a standard mode with a “tokun tokun” life force feeling and a fine mode with a “slow and calm” rhythm that is ideal for when you want to relax more, allowing you to choose the best rhythm for your hugging comfort and stress level of the day.
Does it get warm with just batteries?
Unfortunately, the “warm heater” function cannot be used with dry batteries due to its high power consumption. When using the heater, be sure to connect the included 1.2m USB cable and AC adapter to an outlet. On the other hand, you can use the “heartbeat” only with batteries when you are out of reach of the cord, such as when you are on the road or on the sofa in the living room.
How do I take care of it when it gets dirty?
Since the precise heartbeat unit and heater wiring run inside, never use a washing machine or wash with water. In the unlikely event that it gets dirty, soak a soft cloth in neutral detergent diluted with water, wring it out tightly, and then gently tap the surface to remove the dirt. After that, use a commercially available pet brush or similar to condition the fur, so that the fluffy texture of the fur will last longer.
Is there any concern about low-temperature burns?
Relapy prioritizes safety and has a timer that automatically turns off the power after 60 minutes of operation. This eliminates the risk of excessive temperature increases even if the user forgets to turn off the power while sleeping. However, if the device is pressed against the same area for an extended period of time, there is a risk of burns even at temperatures as low as 38°C. Therefore, we recommend that people with particularly sensitive skin or infants be held over thick pajamas when using the device.
Is there any integration with compatible OS or apps?
Relapy is also designed to be a “digital detox,” with no built-in communication functions, so that users can relax and focus purely on touch and warmth, unencumbered by Wi-Fi settings, OS updates, or smartphone notifications. Even elderly people who are not good at operating machines can easily use the device by simply flipping a switch.
Specifications Summary
| (data) item | Contents |
| trade (brand) name | Relapy |
| model number | RLP1-DG (Retriever) / RLP1-CT (British) |
| Size (Dog) | Approx. W345 × H140 × D200 mm (puppy size) |
| Size (Cat) | Approx. W330 x H155 x D180 mm (adult cat size) |
| weight | Approx. 500g (excluding AC adapter and batteries) |
| Surface Material | 100% acrylic (luxurious faux fur with good touch) |
| Cotton material | 100% polyester (moderate elasticity and resilience) |
| Warming temperature | Approx. 33°C to 38°C (varies depending on ambient environment) |
| Power source | (1) AA alkaline batteries x 2 / (2) AC power supply (USB cable length 1.2m) |
| Battery life | Approx. 4 months (under standard conditions of 60 minutes of use once a day) |
| Safety features | 60-minute auto-off timer, battery depletion notification flashing lamp |
| producing country | Built-in device: Japan / Pet-type cover: China |
Reviews (Word of mouth)
Positive Reviews
At first I thought it was just a stuffed animal, but when I held it in my arms, I was surprised by its ‘tokkun tokkun’ vibration. Feeling the steady rhythm of the vibrations, my breathing became deeper and before I knew it, morning had arrived. I can’t sleep without it anymore. (Source: User reviews on the official website )
The volume (strength) of the heartbeat can be easily switched, so those who find the default setting (low) not enough will probably find it just right if they set it to high. Since the concept of this product is to sleep together, I think it is better than too loud.
Often stuffed animals are totally different from the picture and the real thing, but this item arrived with a dog exactly as it looked in the picture. It’s a cute sleeping face! (Source: Amazon.co.jp Customer Review )
Reviews of Neutrality and Requests for Improvement
‘The heartbeat is completely inaudible when placed inside a plush toy. It only gets as warm as the cord can reach and the heartbeat is weak. But it’s cute so I didn’t return it…” (Source: Amazon.co.jp Customer Reviews )
comprehensive evaluation
Relapy is an extremely pure healing device that specializes in “physiological relief through touch. It does not have the multifunctionality of the “talking robots” on the market. However, Relapy is a precise technological reproduction of the elements that humans instinctively seek, namely “changes in heartbeat” and “the warmth of human skin,” based on sleep medicine.
What we particularly appreciate is its “unobtrusiveness. Despite the physical limitation of the 1.2-meter power cord, the hybrid design with wireless battery operation ensures convenience. For those who have lost a loved one, for those who are lonely at night, and for all those who seek a good night’s sleep, Relapy is the one and only “warm place to stay.
Comparison with “Mia,” a talking cat-shaped robot
We compared it to Mia, a talking cat-shaped robot that divides its popularity as a healing partner.
| Comparison items | Relapy | Mia |
| Axis of Healing | Physiological and instinctive (touch, warmth) | Emotional and cognitive (dialogue, facial expressions) |
| Key Features | Heartbeat rhythm, 38°C heater | Dialects and rich expressions of the 47 prefectures |
| price range | 16,500 yen (tax included) | From 9,800 yen (tax included) |
| Optimal location | In bed/bedding | Desk and living room shelves |
| interaction | Passive (hugging and feeling) | Active (talking, eye contact) |
| Power Specifications | Battery & USB power supply (cord required) | USB power supply (rechargeable, cordless possible) |
| Main target group | Those seeking restful sleep and physical security | Those who want to relieve loneliness and enjoy conversation |
Relapy performs best “when you want to relax your body in silence and fall asleep,” and Mia performs best “when you want to feel laughter, surprise, and emotional connection in your daily life.
👇 Talking cat-shaped robot “Mia” that speaks 47 dialects nationwide
summary
Definition of the ultimate target audience: Relapy is a product for “people who want to leave digital stimulation behind and fill their hearts with physical warmth. As stated in the instruction manual, adopting the habit of hugging Relapy for an hour a day as a time of self-care will improve your daily stress tolerance and lead to a higher quality of life. The precise heartbeat of this Japanese-made product will bring you a moment of peace and tranquility. Why not welcome Relapy into your bedroom?
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