Hirokuni Tagaya

Depression, risk factors, and coping strategies in the context of social dislocations resulting from the second wave of COVID-19 in Japan

Yuko Fukase, Kanako Ichikura, Hanako Murase et al. · BMC Psychiatry · 2021 · 149 citations · Full text

Public Health, Behavioral Sciences, Psychiatry +11

Clinical Analyses of Sighted Patients with Non-24-Hour Sleep-Wake Syndrome: A Study of 57 Consecutively Diagnosed Cases

Tatsuro Hayakawa, Makoto Uchiyama, Yuichi Kamei et al. · SLEEP · 2005 · 119 citations · Full text

Medicine, Neurology, Psychiatry +9

Altered phase relation between sleep timing and core body temperature rhythm in delayed sleep phase syndrome and non-24-hour sleep–wake syndrome in humans

Makoto Uchiyama, Masako Okawa, Kayo Shibui et al. · Neuroscience Letters · 2000 · 110 citations

Life Sciences, Neuroscience, Physiology +16

Diurnal preference, sleep habits, circadian sleep propensity and melatonin rhythm in healthy human subjects

Xianchen Liu, Makoto Uchiyama, Kayo Shibui et al. · Neuroscience Letters · 2000 · 90 citations

Life Sciences, Endocrinology, Physiology +16

The Japanese Centenarian Study: Autonomy Was Associated with Health Practices as Well as Physical Status

Akiko Ozaki, Makoto Uchiyama, Hirokuni Tagaya et al. · Journal of the American Geriatrics Society · 2006 · 90 citations

Medicine, Geriatric Medicine, Population Health Sciences +14