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Harnessing Intelligent Audio-Gesture Interfaces For Wearables As A Sleep Aid

Author(s)
Jacobs Luengo, Daniel Alberto
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Advisor
Hu, Tony
Terms of use
In Copyright - Educational Use Permitted Copyright retained by author(s) https://rightsstatements.org/page/InC-EDU/1.0/
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Abstract
Insomnia—difficulty in initiating and maintaining sleep—affects a significant portion of the global population. The mainstream adoption of wearable computing presents a unique opportunity to study and aid sleep at an individual level. Here we introduce Zzzonic, a smart sleep-aid application designed for smartwatches that leverages cognitive psychology and human-computerinteraction (HCI) to facilitate sleep onset by engaging users in audio tasks as a formof intrusive thought control. A significant aspect of Zzzonic's functionality is its adaptive control system, which estimates sleep onset latency in realtime by monitoring indicators such as motion anduser response. The system then progressively modifies the characteristics of the audio tasks to minimize sleep onset latency. This thesis evaluates Zzzonic through a series of user trials conducted throughout the development of the app, accessing the capacity to predict and control sleep onset. The results indicate accurately predicting sleep onset latency in realtime as a control signal is possible but there was no evidence indicating the system could minimize slope onset latency. The inclusion of more indicator signals and machine learning techniques is likely to significantly improve realtime sleep onset latency prediction. Future work on computer-modulated intrusive thought control would benefit from the evaluation of task design, intrusive thought indicators and identifying an adequate control framework.
Date issued
2024-05
URI
https://hdl.handle.net/1721.1/155483
Department
System Design and Management Program.
Publisher
Massachusetts Institute of Technology

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