Top 5 Sleep Monitoring Services Popular in Japan
In recent years, interest in achieving “high-quality sleep” has been rapidly growing in Japan. This shift stems from a reevaluation of Japan’s long working-hour culture, a stronger focus on health, and the rise of “well-being” values—particularly among Generation Z. Sleep-monitoring services that connect with smartphones and wearable devices are gaining attention as tools that visualize sleep patterns and help improve lifestyle habits. In Japan, services that integrate with medical data and offer unique, lifestyle-oriented features are especially popular. In this article, we introduce the top five sleep monitoring services most favored in Japan, based on current market trends and official sources.
Ranking of Sleep Monitoring Services in Japan
(*Based on Market Trends)
- Fitbit
- Oura Ring
- NeuroSpace SleepTech
- MTG SIXPAD Sleep
- Somnus
1. Fitbit
Source: Fitbit Official Website
One of the most widely used wearable devices in Japan, the Fitbit records detailed sleep stages (light, deep, and REM) simply by being worn on the wrist. It also tracks vital health data, such as heart rate and breathing rate, allowing users to understand the relationship between daily habits and sleep quality easily. Its intuitive interface and user-friendly app design make it popular among people of all ages.
2. Oura Ring
Source: Oura Ring Official Website
Originating in Finland, the Oura Ring has rapidly gained a strong following in Japan. Its sleek, ring-shaped design blends seamlessly into both business and casual settings. In addition to its highly accurate sleep monitoring capabilities, it calculates a “Readiness Score” based on factors such as body temperature and heart rate variability to predict next-day performance. This makes it particularly appealing to business professionals focused on improving sleep and overall performance.
3. NeuroSpace SleepTech
Source: NeuroSpace Official Website
Developed by the Japanese sleep-tech company NeuroSpace, this corporate service is designed to enhance employee well-being. It analyzes individual sleep data and provides tailored advice for optimizing rest and improving lifestyle. Widely adopted as part of corporate health and work-style reform initiatives, it has been recognized for its role in improving employee performance. As a service that uniquely links workplace health with productivity, it stands out as a distinctly Japanese innovation.
4. MTG SIXPAD Sleep
Source: MTG SIXPAD Official Website
From MTG, the company behind the muscle-training brand SIXPAD, comes this innovative sleep monitoring device. It uses a mattress pad equipped with sensors to measure sleep quality without the need for wearable devices. This hands-free system is ideal for users who prefer not to wear devices while sleeping, earning high praise for its accurate monitoring without disrupting natural rest.
5. Somnus
Source: Somnus Official Website
Developed in Japan, Somnus is a smart sleep-tracking app that analyzes sleep duration and depth simply by placing a smartphone beside the pillow. It also features a “smart alarm” that wakes users gently during light sleep stages, helping them rise naturally. Its affordability and ease of use have made it especially popular among younger generations.
Conclusion
Japan’s sleep monitoring market offers a wide range of options—from international wearables to Japan-developed apps and corporate wellness services. These solutions go beyond mere “sleep tracking” to contribute to health management, productivity, and overall lifestyle improvement. For visitors to Japan, exploring these cutting-edge sleep technologies offers an insightful glimpse into Japan’s unique approach to wellness and everyday living.
