A tryptophan-rich breakfast and exposure to light with low color temperature at night improve sleep and salivary melatonin level in Japanese students

Authors

Laboratory of Environmental Physiology, Graduate School of Integrated Arts and Sciences, Kochi University, Kochi

Department of Health and Physical Education, Faculty of Education, Kochi University, Kochi

Laboratory of Environmental Physiology, Graduate School of Integrated Arts and Sciences, Kochi University, Kochi

Department of Health Education, Faculty of Education, University of South Bohemia, České Budějovice

Department of Health and Physical Education, Faculty of Education, Kochi University, Kochi

Department of Nutritional Education, Tokai Gakuen University, Miyoshi, Aichi

Laboratory of Environmental Physiology, Graduate School of Integrated Arts and Sciences, Kochi University, Kochi

Laboratory of Environmental Physiology, Graduate School of Integrated Arts and Sciences, Kochi University, Kochi