Wearable Sleep Patch With Feedback-Timed Circadian Alignment
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Solution Overview
Problem
Existing technologies lack effective, minimally invasive strategies for determining and aligning circadian phase and enhancing sleep and performance, particularly for populations like military personnel, astronauts, and individuals with special needs, without relying on pharmaceutical interventions.
Innovation Solution
Devices and systems that monitor consciousness patterns, including sleep/wake cycles, to estimate circadian phase and deliver agents like melatonin or light at appropriate times, using wearable patches with sensors and actuators for transdermal delivery of olfactory stimuli to align circadian biology with the external environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If circadian-targeted stimuli (e.g., light and melatonin) are administered to enhance sleep and align circadian biology, then sleep quality and circadian alignment are improved, but performance, alertness, and sleep may be decreased or disrupted if administered at the incorrect time/phase
Solution Approach 1:
The system continuously monitors sleep/wake patterns, activity levels, and circadian markers to dynamically determine the optimal timing for stimulus administration. This feedback loop ensures that light therapy, melatonin supplementation, and other circadian-targeted interventions are delivered at the precise phase needed to enhance alignment without causing disruption, automatically adjusting timing based on individual circadian rhythm assessment.
Solution Approach 2:
The system performs preliminary assessment of circadian phase and sleep/wake patterns before administering any circadian-targeted stimuli. By pre-determining the optimal timing window for intervention based on monitored biological markers, the system ensures that subsequent stimulus administration occurs at the most effective phase, preventing timing-related adverse effects while maximizing circadian alignment benefits.
2Reliability
If pharmaceutical interventions are used to improve sleep, then sleep quality may be enhanced, but safety concerns and side effects arise particularly for vulnerable populations
Solution Approach 1:
The system uses non-pharmaceutical circadian-targeted stimuli such as controlled light exposure, melatonin supplementation at physiologically appropriate doses and timing, temperature therapy, and olfactory agents as intermediaries to achieve sleep enhancement. These mediators work through natural circadian pathways rather than pharmaceutical intervention, providing sleep improvement without the harmful side effects associated with traditional sleep medications, particularly for vulnerable populations.
Solution Approach 2:
The system changes the parameters of circadian stimuli (intensity, duration, timing, spectral composition of light; dosage and timing of melatonin; temperature profiles) to optimize sleep enhancement while avoiding pharmaceutical side effects. By precisely controlling these parameters based on individual circadian assessment, the system achieves reliable sleep improvement through non-pharmaceutical means safe for vulnerable populations including children and those on other medications.
3Measurement precision
If continuous monitoring of consciousness patterns is implemented to accurately estimate circadian phase, then circadian alignment precision is improved, but device complexity and data processing requirements increase
Solution Approach 1:
The wearable device integrates multiple monitoring functions into a single platform, simultaneously tracking sleep/wake patterns, activity levels, heart rate variability, skin temperature, and other circadian-relevant parameters. This multi-functional approach achieves high circadian phase estimation accuracy without proportionally increasing device complexity, as shared sensors and processing architecture serve multiple measurement purposes.
Solution Approach 2:
The system automatically processes and analyzes the collected consciousness pattern data using embedded algorithms that continuously estimate circadian phase without requiring external intervention. The device self-calibrates and adapts to individual patterns over time, reducing the need for complex external processing infrastructure while maintaining high measurement precision through autonomous data analysis.
Data Source
AI summary
Disclosed are novel compositions, devices, patches, systems and methods that are useful for estimating, determining, modulating and/or improving the sleep/wake and/or circadian phase of a subject (e.g., a human subject) by the dispensing of measured quantities of agents to a subject or into an environment of the subject and the continuous monitoring and/or tracking of the subject's consciousness (e.g., sleep/wake) patterns. In certain aspects, the compositions, devices, patches, systems and methods disclosed herein are capable of delivering one or more agents to a subject in response to measured consciousness patterns estimations and circadian phase estimations, thereby aligning the subject's circadian biology to the external environment and improving the quality and duration of sleep.