Cortisol and melatonin: the two opposing players of your day
Dead tired in the evening, wide awake in bed, wiped out in the morning? What the daily curves of cortisol and melatonin look like, what shifts them and how to interpret individual values with care.
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Shift work and sleep: how work shifts your biorhythm
Night shifts, early shifts or simply the alarm at six: how work shifts your internal clock, what shift work demonstrably changes, what social jetlag means and what you can try.
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Waking up at 3am every night: what cortisol, alcohol and blood sugar have to do with it
Wide awake at 3am every night? What happens in your body in the second half of the night, what role stress, cortisol and alcohol play, and how you can get to the bottom of your sleep rhythm.
Tryptophan metabolism: why it matters for serotonin, melatonin and sleep
Serotonin and melatonin are made from tryptophan, yet most of it takes a different route. What stress and inflammation change at this junction and what it can mean for mood and sleep.
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