{"title":"Temporal changes in sleep parameters and body mass index after using a sleep-tracking app with gamification.","authors":"Masao Iwagami, Jaehoon Seol, Masashi Yanagisawa","doi":"10.1016/j.sleh.2025.03.001","DOIUrl":null,"url":null,"abstract":"<p><strong>Objectives: </strong>We examined whether sleep parameters would improve with a sleep-tracking game app and whether the participants' improvement was associated with changes in their body mass index.</p><p><strong>Methods: </strong>We analyzed data from 2063 volunteer Japanese participants (mean age 38.3±10.7years, 82.1% female) who used both the Pokémon Sleep and Asken apps for ≥90days.</p><p><strong>Results: </strong>During the 90days after starting the Pokémon Sleep app, on average, total sleep time increased by approximately 0.8 hour from 5.5 to 6.3 hours. Calculating the slopes for individuals, improvements were noted for total sleep time, sleep latency, percentage of wakefulness after sleep onset, and bedtime among 45.3%, 18.1%, 24.4%, and 21.3% of the participants, respectively. Body mass index tended to decrease faster in participants with improved total sleep time, sleep latency, and bedtime.</p><p><strong>Conclusions: </strong>A sleep-tracking game app improved sleep parameters of some users, and this improvement was associated with a decrease in body mass index.</p>","PeriodicalId":48545,"journal":{"name":"Sleep Health","volume":" ","pages":""},"PeriodicalIF":3.4000,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sleep Health","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1016/j.sleh.2025.03.001","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Objectives: We examined whether sleep parameters would improve with a sleep-tracking game app and whether the participants' improvement was associated with changes in their body mass index.
Methods: We analyzed data from 2063 volunteer Japanese participants (mean age 38.3±10.7years, 82.1% female) who used both the Pokémon Sleep and Asken apps for ≥90days.
Results: During the 90days after starting the Pokémon Sleep app, on average, total sleep time increased by approximately 0.8 hour from 5.5 to 6.3 hours. Calculating the slopes for individuals, improvements were noted for total sleep time, sleep latency, percentage of wakefulness after sleep onset, and bedtime among 45.3%, 18.1%, 24.4%, and 21.3% of the participants, respectively. Body mass index tended to decrease faster in participants with improved total sleep time, sleep latency, and bedtime.
Conclusions: A sleep-tracking game app improved sleep parameters of some users, and this improvement was associated with a decrease in body mass index.
期刊介绍：
Sleep Health Journal of the National Sleep Foundation is a multidisciplinary journal that explores sleep''s role in population health and elucidates the social science perspective on sleep and health. Aligned with the National Sleep Foundation''s global authoritative, evidence-based voice for sleep health, the journal serves as the foremost publication for manuscripts that advance the sleep health of all members of society.The scope of the journal extends across diverse sleep-related fields, including anthropology, education, health services research, human development, international health, law, mental health, nursing, nutrition, psychology, public health, public policy, fatigue management, transportation, social work, and sociology. The journal welcomes original research articles, review articles, brief reports, special articles, letters to the editor, editorials, and commentaries.
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