Sleep problems in high school female soccer players
Conditions
Interventions
Intervention group: During weeks 6 to 9, personalized sleep feedback generated by ChatGPT-4o was delivered via the LINE Messaging API based on Fitbit Inspire 3 sleep data from the previous night and b
Sponsors
Nippon Sport Science University Medical Vocational School
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: Female soccer players belonging to a high school sports club who were expected to continue regular training and matches during the study period. Participants were required to be able to wear Fitbit Inspire 3 and receive messages via LINE, and to provide assent with written parental consent after receiving an explanation of the study.
Exclusion criteria
Exclusion criteria: Participants were excluded if they were expected to be absent for a prolonged period during the study, were unable to wear Fitbit Inspire 3 continuously, were unable to receive messages continuously via LINE, or were considered unsuitable for participation by the principal investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main preliminary efficacy outcome was sleep efficiency measured using Fitbit Inspire 3. Change was calculated from the mean value during the baseline observation period (weeks 1-4) to the mean value during the intervention period (weeks 6-9), and change scores were compared between the intervention and control groups. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary and exploratory outcomes included total sleep time, wake after sleep onset, deep sleep duration, light sleep duration, rapid eye movement sleep duration measured using Fitbit Inspire 3, the Pittsburgh Sleep Quality Index Japanese version (PSQI-J) total score, the Sleep Difficulty Score of the Athlete Sleep Screening Questionnaire Japanese version (ASSQ-J), the Japanese version of the Epworth Sleepiness Scale (JESS) total score, the Total Mood Disturbance score of the Japanese version of the Profile of Mood States 2nd Edition, and sports injury-related burden/severity assessed using a modified OSTRC-H-J. Questionnaire-based outcomes were assessed at week 5 and week 10. Feasibility outcomes included LINE message delivery success rate, number of valid Fitbit wear nights, questionnaire completion rate, technical problems, adverse events, and privacy-related problems. | — |
Countries
Japan
Contacts
Public ContactHayato Kedoin
Nippon Sport Science University Medical Vocational School Department of Judo Therapy and Health Science
Outcome results
None listed