主题词：Circadian rhythm and melatonin; Sleep and related disorders; Sleep and Work-Related Fatigue; Sleep and Wakefulness Research; Dietary Effects on Health; Spaceflight effects on biology; Heart Rate Variability and Autonomic Control; Psychological and Temporal Perspectives Research; Neurobiology and Insect Physiology Research; Photoreceptor and optogenetics research; Workplace Health and Well-being; Impact of Light on Environment and Health; Blood Pressure and Hypertension Studies; Light effects on plants; Climate Change and Health Impacts; Ergonomics and Musculoskeletal Disorders; Genetics, Aging, and Longevity in Model Organisms; Thermoregulation and physiological responses; Stress Responses and Cortisol; Obesity, Physical Activity, Diet; Adipose Tissue and Metabolism; Mental Health Research Topics; Birth, Development, and Health; Diet and metabolism studies; Sports Performance and Training