Bedroom Light Exposure at Night and Obesity in Individuals with Bipolar Disorder: A Cross-Sectional Analysis of the APPLE Cohort
Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T
Aust NZ Psych, 55(3) 305-313, Mar, 2021

Association between NT-proBNP and Nocturia among Community-Dwelling Elderly Males and Females: A Cross-sectional Analysis of the HEIJO-KYO Study
Okumura K , Obayashi K , Tai Y , Yamagami Y , Negoro H , Kataoka H , Kurumatani N , Saeki K
Neurourol Urodynam 40(1) 112-119 Jan, 2021

Analysis of Factors Related to Low Health-Related Quality of Life in Children with Epilepsy using a Self-Assessed Japanese Version of the KIDSCREEN-52
Furuichi Y , Sakakibara T , Nezu S , Saeki K , Obayashi K , Kurumatani N , Hoshida T , Doi T , Miki N , Kinoshita S , Shima M
Brain Dev 43(1) 78-88 Jan, 2021

Higher Prevalence of Intentional Self-Harm in Bipolar Disorder with Evening Chronotype: A Finding from the APPLE Cohort
Esaki Y , Obayashi K , Saeki K , Fujita K , Iwata N , Kitajima T
J Affect Disord 277 727-732 Dec, 2020

Melatonin Secretion in Patients with Parkinson's Disease Receiving Different-Dose Levodopa Therapy
Kataoka H, Saeki K, Kurumatani N, Sugie K, Obayashi K*
Sleep Med 75 309-314 Nov, 2020

Development and Validation of Nutrient Estimates Based on A Food-Photographic Record in Japan
Saeki K , Otaki N , Kitagawa M , Tone N , Ishizuka R , Takachi R , Kurumatani N , Obayashi K
Nutr J 19(1) 104 Aug, 2020

Association between Light Exposure at Night and Manic Symptoms in Bipolar Disorder: Cross-Sectional Analysis in the APPLE Cohort
Esaki Y, Obayashi K, Saeki K, Fujita K, Iwata N, Kitajima T
Chronobiol Int. 37(6) 887-896 Jun, 2020

Decreased Melatonin Secretion in Patients with Glaucoma: Quantitative Association with Glaucoma Severity in the LIGHT Study
Yoshikawa T , Obayashi K , Miyata K , Saeki K , Ogata N
J Pineal Res 69(2) e12662 May, 2020

Reply to the Comments by Dr. Hayreh
Yoshikawa T , Obayashi K , Ogata N
Ophthalmology 127(5) 31-32 May, 2020

Response to Commentary: Does Good Sleep Reduce Early-Morning Off Periods in Patients with Parkinson’s Disease?
Kataoka H , Obayashi K*
SLEEP 43(8) zsaa047 Apr, 2020