• Insomnia: Habitual sleeplessness or inability to sleep.
• Hormone: A regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action.
• Postpartum: Following childbirth.
• Neurological: Deals with the nervous system and disorders affecting it.
• Endocrine: Relating to glands which secrete hormones or other products directly into the blood
• Body dysmorphic disorder: A psychiatric disorder characterized by excessive preoccupation with imagined defects in physical appearance.