SleepisolBio: sleep, alarm

In-app purchases
500K+
Downloads
Content rating
PEGI 3
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About this app

Experience the world's first personalized sleep management service based on your unique circadian rhythm. Sleepisol Bio helps you achieve healthy and restorative sleep.

Personalized Sleep Schedule Management
• Analyzes your individual sleep patterns and circadian rhythm to recommend your optimal sleep times.
• Suggests the most effective therapy for you from 4 categories (Sleep, Focus, Healing, Stress) at times when they are most beneficial during your day.

Unlimited Free Access to Diverse Sound-Based Therapies
• Sleep Therapy: 48 unique Sound Therapy tracks.
- 12 tracks each for Sleep, Focus, Healing, and Stress.
• Mindfulness Content:
- Sound Therapy: 16 distinct audio tracks.
- Brain Wave: 16 Theta, 24 Alpha, 24 Beta, and 32 Gamma tracks.

All MP3 audio in the Sleepisol Bio app is produced in high-quality stereo sound at 320kbps, 48kHz for an immersive experience.

• Bedtime Stories:
- Snow White and the Seven Dwarfs
- Hansel and Gretel
- The Three Little Pigs
- Jack and the Beanstalk
- Cinderella
- The Wild Swans

• Real-time Generated Sound-based Therapy:
- Monaural beats, Binaural beat, Isochronic tones

Your Sleep Information Comes First
We believe your priority in using a sleep app is your sleep data, not intrusive ads or persistent paid subscription prompts. Sleepisol Bio prominently displays your analyzed sleep data at the very top of the first screen.

The Ultimate Personalized Sleep Management System
Sleep isn't just important when you're in bed; it's a continuous process from the moment you wake up, through your daily activities, until you go to sleep again. Based on your sleep tracking data, Sleepisol Bio automatically recommends suitable therapy features tailored to your individual circadian rhythm. With just a few simple taps, you can access personalized sleep management designed just for you.

Customized Therapy Through Real-time Biofeedback
Sleepisol Bio analyzes your heart rate data in real-time to provide the most suitable therapy for you, precisely when you need it.

Diverse Alarms for a Happy Morning Wake-up
Waking up well in the morning is a crucial part of healthy sleep. Sleepisol Bio offers a variety of alarms to help you. Plus, celebrate special occasions with unique, themed alarms!
• General Alarms: 30 options
• Brain Wave Alarms: 18 sounds to gently awaken your brain
• Christmas Alarms: 10 festive options
• New Year Alarms: 10 celebratory options
• Birthday Alarms: 10 special tunes

Naturally Awaken Your Brain with Missions
Sleepisol Bio supports 3 types of engaging wake-up missions. Lightly warm up your hands and brain to help you wake up naturally.
• Wake up with Hand Gestures, Calculation, Sleep Info

Sleepisol Bio aspires to be your most trusted sleep expert, understanding each and every one of you.
• All features offer core functionality, but for enhanced performance, a Samsung Galaxy Watch and RISOL's Sleepisol device are required.
• SleepisolBio is not a medical software.
• SleepisolBio stores and processes all data locally on the device where the app is installed.


◼︎ Google Health Connect Permission:
• Sleep: used for sleep score chart
• HeartRate, BloodPressure, BodyTemperature, OxygenSaturation: used for circadian rhythm chart
- A circadian rhythm chart is a chart of biological rhythms that repeat in a 24-hour cycle.
- Collected information(sleep/heart rate/blood pressure/body temperature/oxygen saturation) are only used for chart in app, and not used for any other purpose)
- We do not collect information on a separate server
- We do not share information with 3-party
• The circadian rhythm chart provides heart rate, blood pressure, body temperature, oxygen saturation information obtained from Google Health Connect.

◼︎ Android Wear OS support:
• Enjoy real-time heart rate monitoring
• Wear OS app can only be used through mobile app and cannot be used independently.
Updated on
Jul 28, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

• add experience function
• minor bug fixed