Wearable Ring for Sleep Onset Detection via Tactile Stimulation
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Solution Overview
Problem
Current methods for sleep retraining, such as Intensive Sleep Retraining (ISR), require expensive and cumbersome equipment like EEG and polysomnography, making them impractical for home use and lacking affordability and user-friendly operation, especially for chronic insomnia sufferers.
Innovation Solution
A novel apparatus and method utilizing tactile stimulation through a mechanical vibrator and motion sensor to monitor and control sleep onset, allowing for automated, inexpensive, and compact sleep monitoring without the need for a technician, implemented in a wearable device resembling a ring that provides feedback on sleep latency and duration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If expensive and cumbersome equipment like EEG and polysomnography is used to monitor sleep onset, then measurement precision is improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent replaces complex electroencephalographic and polysomnographic monitoring systems with a simple tactile stimulation and motion detection system. The mechanical vibrator provides tactile prompts and the motion sensor detects user responses, substituting sophisticated electrical/neural monitoring with mechanical sensing to achieve sleep onset detection without expensive equipment.
Solution Approach 2:
The patent creates a simplified copy of the sleep monitoring function using inexpensive components (vibrator, motion sensor, processor) instead of relying on the original complex medical equipment. This copying approach maintains the essential monitoring capability while dramatically reducing complexity and cost.
2Measurement precision
If expensive and cumbersome equipment like EEG and polysomnography is used to monitor sleep onset, then measurement precision is improved, but cost increases significantly
Solution Approach 1:
The patent employs inexpensive, readily available components (mechanical vibrator, motion sensor, microprocessor, display) that can be manufactured at low cost and disposed of or replaced easily, replacing the need for expensive, specialized medical equipment. This approach makes the sleep monitoring system affordable for general consumers.
Solution Approach 2:
By substituting complex electrical monitoring systems with a mechanical tactile stimulation and motion detection system, the patent dramatically reduces manufacturing costs while maintaining functional effectiveness for sleep onset detection.
3Ease of operation
If automated monitoring without technician is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent implements a self-service monitoring system where the device automatically provides tactile stimulation, detects motion responses, determines sleep onset, and displays results without requiring technician intervention. The system serves itself by processing sensor data and generating feedback autonomously, making it easy to operate while managing complexity through integrated design.
Solution Approach 2:
The patent incorporates feedback mechanisms where the device monitors user responses to tactile stimulation and automatically adjusts its operation to determine sleep onset and provide feedback to the user. This feedback loop enables automated operation that simplifies user interaction while managing system complexity through intelligent control algorithms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables effective and comfortable sleep retraining at home with improved user compliance and reduced costs, providing accurate monitoring and gentle wake-up features, suitable for both insomnia treatment and optimizing power naps.
Implementation Method 1
providing tactile stimulation to a user with a mechanical vibrator
Implementation Method 2
sensing a motion response to the tactile stimulation from the user with a motion sensor
Data Source
AI summary
A novel apparatus and method is described for sleep monitoring and control by providing tactile stimulation to a user as the user attempts to fall asleep which can be employed for intensive sleep retraining for the treatment of insomnia. A motion response to the tactile stimulation from the user is sensed indicating the user is still awake. The tactile stimulation is periodically repeated and the motion response is evaluated until sleep onset is determined. Following a relatively short set time asleep (e.g. approximately 3 minutes) the user is awakened and the process is reinitiated within a half hour. The technique can be implemented in a small device configuration comparable to a large ring which can be held to a single finger of the user by a band. The single finger both receives the tactile stimulation and provides a motion response and can provide feedback directly to the user.