None listed
Conditions
Interventions
glycine intake (1 min)
Core body temperature measurement (during sleep, approximately 7 hours)
Sponsors
Waseda University
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: 1) Members of the Waseda University Men's Track and Field club 2) Those who scored 5 or more but less than 10 on the Athlete Sleep Screening Questionnaire (ASSQ) 3) Those who are 18 years of age or older and 30 years of age or younger at the time of obtaining consent 4) Those who have received sufficient explanation about participation in the study, fully understand it, and have provided written consent of their own free will
Exclusion criteria
Exclusion criteria: 1)Individuals who currently regularly consume amino acid supplements 2) Individuals with mental disorders or sleep disorders who are undergoing regular outpatient treatment and medication 3) Individuals currently undergoing treatment for physical illnesses or injuries 4)Individuals with gastrointestinal disorders (e.g., ulcerative colitis, Crohn's disease) or a history of abdominal surgery 5) Individuals weighing 40 kg or less 6)Individuals with swallowing difficulties 7)Individuals with plans to undergo MRI or other electromagnetic wave exposure on the day of or the day after the experiment 8)Individuals who have previously experienced issues with capsule ingestion 9)Individuals who regularly use nicotine 10)Individuals with travel plans during the intervention period (including the washout period) 11)Individuals participating in other studies during the course of this study 12)Individuals deemed by the principal investigator to be at risk of health compromise due to participation in the experiment
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Subjective sleep assessment Sleep architecture | — |
Secondary
| Measure | Time frame |
|---|---|
| Core Body Temperature Sleep architecture | — |
Countries
Japan
Contacts
Public ContactMASAKI NISHIDA
Waseda University Faculty of Sport Sciences
Outcome results
None listed