Association between Retinal Thickness and Sleep Quality in Elderly Individuals: the HEIJO-KYO Study
Annual Metting of Japanese Scosiety of Sleep Research 2014
Miyata K , Obayashi K , Saeki K , Otaki N , Tone N , Nishi T , Ogata N

Association between Cataract Surgery and Mild Cognitive Impairment in Elderly Individuals Independent of Sleep Disturbance: the HEIJO-KYO Study
Annual Metting of Japanese Scosiety of Sleep Research 2014
Miyata K , Obayashi K , Saeki K , Otaki N , Tone N , Nishi T , Ogata N

Association of Low Evening Indoor Temperatures with Prolonged Sleep Onset Latency in Elderly Individuals: the HEIJO-KYO Study
Annual Metting of Japanese Scosiety of Sleep Research 2014
Saeki K , Tone N , Otaki N , Miyata K , Nishi T , Obayashi K

Longitudinal Association of Low Evening Indoor Temperatures with Prolonged Sleep Onset Latency from Repeated Measurement for Two Days
SLEEP 2014
Saeki K , Obayashi K , Tone N , Nishi T , Miyata K , Takamiya S , Kurumatani N

Accuracy for Ambulatory Eye-Level Measurement of Light at Night in Home Settings: Cross-Sectional Association with Subjective and Actigraphic Sleep Quality in the HEIJO-KYO Cohort
SLEEP 2014
Tone N , Obayashi K , Saeki K , Suzuki S , Takamiya S , Nishi T , Miyata K , Kurumatani N

Association between Light Exposure at Night and Nighttime Blood Pressure in the Elderly Independent of Nocturnal Urinary Melatonin Excretion
Obayashi K*, Saeki K, Iwamoto J, Ikada Y, Kurumatani N
Chronobiol Int, 31(6) 779-786, Jun, 2014

Exposure to Light at Night in Home Settings and Risk of Insomnia in General Elderly Population: A Cross-Sectional Study in the HEIJO-KYO Cohort
SLEEP 2014
Obayashi K , Saeki K , Tone N , Nishi T , Miyata K , Otaki N , Kitagawa M , Kurumatani N

Association between Melatonin Secretion and Nocturia in Elderly Individuals: A Cross-Sectional Study of the HEIJO-KYO Cohort
Obayashi K*, Saeki K, Kurumatani N
J Urol, 191(6) 1816-1821, Jun, 2014

Exposure to Evening Light, Sleep Initiation, and Obesity in Elderly Individuals: A Cross-Sectional Study in the HEIJO-KYO Cohort
SLEEP 2014Obayashi K , Saeki K , Tone N , Nishi T , Miyata K , Otaki N , Kitagawa M , Noguchi T , Mochida N , Kurumatani N

Association between Cataract Surgery and Objective Sleep Quality in the Elderly: A Cross-Sectional Study of the HEIJO-KYO Cohort
SLEEP 2014
Miyata K , Nishi T , Obayashi K , Saeki K , Tone N , Kurumatani N , Ogata N