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A real-time, personalized sleep intervention using mathematical modeling and wearable devices

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Title
A real-time, personalized sleep intervention using mathematical modeling and wearable devices
Author(s)
Yun Min Song; Choi, Su Jung; Se Ho Park; Lee, Soo Jin; Joo, Eun Yeon; Jae Kyoung Kim
Publication Date
2023-09
Journal
SLEEP, v.46, no.9
Publisher
OXFORD UNIV PRESS INC
Abstract
The prevalence of artificial light exposure has enabled us to be active any time of the day or night, leading to the need for high alertness outside of traditional daytime hours. To address this need, we developed a personalized sleep intervention framework that analyzes real-world sleep-wake patterns obtained from wearable devices to maximize alertness during specific target periods. Our framework utilizes a mathematical model that tracks the dynamic sleep pressure and circadian rhythm based on the user's sleep history. In this way, the model accurately predicts real-time alertness, even for shift workers with complex sleep and work schedules (N = 71, t = 13 similar to 21 days). This allowed us to discover a new sleep-wake pattern called the adaptive circadian split sleep, which incorporates a main sleep period and a late nap to enable high alertness during both work and non-work periods of shift workers. We further developed a mobile application that integrates this framework to recommend practical, personalized sleep schedules for individual users to maximize their alertness during a targeted activity time based on their desired sleep onset and available sleep duration. This can reduce the risk of errors for those who require high alertness during nontraditional activity times and improve the health and quality of life for those leading shift work-like lifestyles.
URI
https://pr.ibs.re.kr/handle/8788114/14652
DOI
10.1093/sleep/zsad179
ISSN
0161-8105
Appears in Collections:
Pioneer Research Center for Mathematical and Computational Sciences(수리 및 계산과학 연구단) > 1. Journal Papers (저널논문)
Pioneer Research Center for Mathematical and Computational Sciences(수리 및 계산과학 연구단) > Biomedical Mathematics Group(의생명 수학 그룹) > 1. Journal Papers (저널논문)
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