Physiological Levels of Melatonin Relate to Cognitive Function and Depressive Symptoms: The HEIJO-KYO Cohort
Obayashi K* , Saeki K , Iwamoto J , Tone N , Tanaka K , Kataoka H , Morikawa M , Kurumatani N
J Clin Endocrinol Metab 100(8) 3090-3096 Aug, 2015

Comparisons of Objective Sleep Quality between Elderly Individuals With and Without Cataract Surgery: A Cross-Sectional Study of the HEIJO-KYO Cohort
Obayashi K* , Saeki K , Miyata K , Nishi T , Tone N , Ogata N , Kurumatani N
J Epidemiol 25(8) 529-535 Aug, 2015

Wrist Skin Temperature and Objective Sleep Quality: A Cross-Sectional Study of the HEIJO-KYO Cohort
Annual Metting of Japanese Scosiety of Sleep Research 2015
Saeki K , Obayashi K , Tone N , Kurumatani N

Objective Sleep Quality Relates to Leukocyte Count in the General Elderly Population: Quantitative Analysis in the HEIJO-KYO Cohort
Annual Metting of Japanese Scosiety of Sleep Research 2015
Obayashi K , Saeki K , Tone N , Kurumatani N

Association between Cataract Surgery and Cognitive Function Independent of Objective Sleep Quality: A Cross-Sectional Study of the HEIJO-KYO Cohort
Annual Metting of Japanese Scosiety of Sleep Research 2015
Miyata K , Obayashi K , Saeki K , Tone N , Kurumatani N , Ogata N

明るくして寝ると太る？
毎日放送 林先生が驚く初耳学！ Jun, 2015

Light Exposure at Night Increases the Risk of Abdominal Obesity: Effect Independent of Melatonin Secretion in the HEIJO-KYO Cohort
SLEEP 2015
Obayashi K , Saeki K , Tone N , Kurumatani N

Cataract Surgery, Objective Sleep Quality, and Cognition in the General Elderly Population: A Cross-Sectional Study of the HEIJO-KYO Cohort
SLEEP 2015
Miyata K , Obayashi K , Saeki K , Tone N , Nishi T , Kurumatani N , Ogata N

Higher Wrist Skin Temperature in Evening to Initial Nighttime and Better Actigraphic Sleep Quality in Real Life: The HEIJO-KYO Study
SLEEP 2015
Saeki K , Obayashi K , Tone N , Kurumatani N

Increased Risk of Lung Cancer Associated with Occupational Exposure to Benzidine and/or Beta-Naphthylamine
Tomioka K , Obayashi K , Saeki K , Okamoto N , Kurumatani N
Int Arch Occup Environ Health 88(4) 455-465 May, 2015