The Acute and Post-Discontinuation Effects of a Glucocorticoid Receptor (GR) Antagonist Probe on Sleep and the HPA Axis in Chronic Insomnia: A Pilot Study The Acute and Post-Discontinuation Effects of a Glucocorticoid Receptor (GR) Antagonist Probe on Sleep and the HPA Axis in Chronic Insomnia: A Pilot Study Download SLEEP MEDICINE NEWS AND UPDATES – Volume 4 Issue 3 A Severely Sleep Deprived Patient