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Saliva cortisol concentration (minimum, maximum, mean, standard deviation, and number of samples) in the evening, at 1 a.m., in the morning at waking up and 30 min later. 'Early night' refers to the average across the evening and 1 a.m. measurements. 'Morning' refers to the average across the waking up and 30-min post waking measurements.

Saliva cortisol concentration (minimum, maximum, mean, standard deviation, and number of samples) in the evening, at 1 a.m., in the morning at waking up and 30 min later. 'Early night' refers to the average across the evening and 1 a.m. measurements. 'Morning' refers to the average across the waking up and 30-min post waking measurements.