Association Between Outdoor Temperature and Bath-related Drowning Deaths in Japan (1995–2020): Modifying Factors and the Role of Prefectural Characteristics
Tai Y., Obayashi K., Yamagami Y., Saeki K.
Environ Health Prev Med (in press), Jun, 2025

Drowning and Submersion Deaths in Bathtubs and Associated Factors: A Descriptive and Ecological Study in Japan, 1995–2020
Tai Y., Obayashi K., Yamagami Y., Saeki K.
J Epidemiol, (in press), Apr, 2025

Daytime Napping and Depressive Symptoms in Bipolar Disorder: A Cross-Sectional Analysis of the APPLE Cohort
Esaki Y., Obayashi K., Saeki K., Fujita K., Iwata N., Kitajima T.
Sleep Med, (in press), Nov, 2024

Association between Skin Temperature and Actigraphic Sleep Metrics in Patients with Parkinson’s Disease: the PHASE study
Tai Y, Obayashi K, Yamagami Y, Saeki K, Sugie K, Kataoka H
Sleep Epidemiol, (in press), Oct, 2024

Changes in Fatigue of Parkinson’s Disease During the Recurrent COVID‐19 Pandemic: Findings from the Longitudinal Analysis of the PHASE Study
Kataoka H, Saeki K, Tai Y, Nanaura H, Kiriyama T, Sugie K, Obayashi K
Park Relat Disord, (in press), Oct, 2024

Daily Light Exposure Profiles and the Association with Objective Sleep Quality in Patients with Parkinson’s Disease: The PHASE Study
Obayashi K*, Saeki K, Tai Y, Yamagami Y, Esaki Y, Yoshikawa T, Sugie K, Kataoka H
SLEEP, 47(8) zsae036, Aug, 2024

Effects of Violet-Excitation Light-Emitting Diode on Melatonin Secretion and Sleepiness: Preliminary Findings from A Randomized Controlled Trial
Mitsui K, Saeki K, Sun M, Yamagami Y, Tai Y, Obayashi K*
J Clin Sleep Med, 20(1) 101-109, Jan, 2024

Blood Pressure, Pulse Rate, and Skin Temperature during Hot-Water Bathing in Real-World Settings among Community-Dwelling Older Adults: the HEIJO-KYO Study
Tai Y, Obayashi K, Okumura K, Yamagami Y, Saeki K
Environ Health Prev Med, 29 12, Jan, 2024

Post-Illumination Pupil Response and Sleep Quality in Patients with Glaucoma: The LIGHT Study
Jimura H, Yoshikawa T, Obayashi K, Miyata K, Saeki K, Ogata N
Invest Ophth Vis Sci, 64(12) 34, Dec, 2023

Association between Before-Bedtime Passive Body Heating and Subsequent Nocturia during the Cold Season in Older Adults
Tai Y, Obayashi K, Okumura K, Yamagami Y, Negoro H, Kurumatani N, Saeki K
J Epidemiol, 33(8) 398-404, Aug, 2023