melatonin |
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navigate by keyword : activity awake awakening biological biology care chart chronobiology circadian clock cortisol cycle day diagram disease educational graphic health healthcare healthy hormone hormones hour hours human illness illustration infographic information level life lifestyle medical medicine melatonin metabolism night phases physical process regulation rhythm rhythms schedule science scn sleep sun sunlight temperature therapy time vector wake |
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Circadian rhythm. Diagram of melatonin, and cortisol hormones level during day 24 hours. temperature schedule. human biological clock. Chart of awake and sleep |
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