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

Circadian Variability of Objective Sleep Measures Predicts the Relapse of a Mood Episode in Bipolar Disorder: Findings from the APPLE Cohort
Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T
Psychiat Clin Neuros, 77(8) 442-448, Aug, 2023

Positive Association between Macular Pigment Optical Density and Glomerular Filtration Rate: A Cross-Sectional Study
Tsujinaka H, Saeki K, Obayashi K, Nishi T, Ueda T, Ogata N
J Clin Med, 12(16) 5312, Aug, 2023

Association between Circadian Skin Temperature Rhythms and Actigraphic Sleep Measures in Real-Life Settings
Tai Y, Obayashi K, Yamagami Y, Saeki K
J Clin Sleep Med, 19(7) 1281-1292, Jul, 2023

Breakfast Skipping and Declines in Cognitive Score among Community-Dwelling Older Adults: A Longitudinal Study of the HEIJO-KYO Cohort
Ishizuka R, Otaki N, Tai Y, Yamagami Y, Tanaka K, Morikawa M, Iki M, Kurumatani N, Saeki K, Obayashi K*
J Geriatr Psychiat Neurol, 36(4) 316-322, Jul, 2023

Circadian Blood Pressure Variability and Asymmetric Dimethylarginine in Patients with Glaucoma: Cross-Sectional Study of The LIGHT Cohort
Yoshikawa T, Obayashi K, Miyata K, Jimura H, Saeki K, Ogata N
J Hypertens 41(6) 1018-1023, June, 2023

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
Yamagami Y, Obayashi K, Tai Y, Saeki K
SLEEP 46(5) zsac197, May, 2023

Increased Depressive Symptoms in Parkinson’s Disease during the COVID‐19 Pandemic: Preliminary Findings from Longitudinal Analysis of the PHASE Study
Kataoka H, Obayashi K, Tai Y, Sugie K, Saeki K
Clin Park Relat Disord 8 100194, Mar, 2023

Habitual Light Exposure and Circadian Activity Rhythm in Bipolar Disorder: A Cross-Sectional Analysis of the APPLE Cohort
Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T
J Affect Disord, 323(2) 762-769, Feb, 2023

Associations between Indoor Light Pollution and Unhealthy Outcomes in 2,947 Adults: Cross-Sectional Analysis in the HEIJO-KYO Cohort
Obayashi K*, Tai Y, Yamagami Y, Saeki K
Environ Res, 215 114350, Dec, 2022