2018 - 2022 Ambulatory blood pressure monitoring during hot-water bathing in winter using radial pulse wave acquisition device
2015 - 2019 A cohort study about the influence of light exposure on biological rhythm and sleep among adult.
Papers (24):
Kenji Obayashi, Keigo Saeki, Yoshiaki Tai, Yuki Yamagami, Yuichi Esaki, Tadanobu Yoshikawa, Kazuma Sugie, Hiroshi Kataoka. Daily light exposure profiles and the association with objective sleep quality in patients with Parkinson’s disease: The PHASE study. SLEEP. 2024
Yoshiaki Tai, Kenji Obayashi, Kazuki Okumura, Yuki Yamagami, Keigo Saeki. Blood pressure, pulse rate, and skin temperature during hot-water bathing in real-world settings among community-dwelling older adults: the HEIJO-KYO Study. Environmental Health and Preventive Medicine. 2024
Yoshiaki Tai, Kenji Obayashi, Yuki Yamagami, Keigo Saeki. Association between circadian skin temperature rhythms and actigraphic sleep measures in real-life settings. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine. 2023. 19. 7. 1281-1292
Yuki Yamagami, Kenji Obayashi, Yoshiaki Tai, Keigo Saeki. Association between indoor noise level at night and objective/subjective sleep quality in the older population: a cross-sectional study of the HEIJO-KYO cohort. Sleep. 2023
Hiroshi Kataoka, Kenji Obayashi, Yoshiaki Tai, Kazuma Sugie, Keigo Saeki. Increased depressive symptoms in Parkinson's disease during the COVID-19 pandemic: Preliminary findings from longitudinal analysis of the PHASE study. Clinical parkinsonism & related disorders. 2023. 8. 100194-100194