June 14 -- FRIDAY, June 13 (HealthDay News) -- Having delayed sleep phase syndrome (DSPS) appears to be linked to irregular menstrual cycles and increased premenstrual symptoms in women, according to ...
There are definitely “morning people” and “night owls” – but that’s usually a symptom of habits and sleep patterns that have been developed, not a legitimate syndrome. But it turns out there is some ...
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