K. Bieber

Relationships between sleep stages and plasma cortisol: a single case study.

J. Born, H. Fehm, G. Fehm-Wolfsdorf, 1986, Acta endocrinologica.

Night-time plasma cortisol secretion is associated with specific sleep stages

J. Born, H. Fehm, W. Kern, 1986, Biological Psychiatry.