In the primary repression phase, 'it is highly probable that the immediate precipitating causes of primal repressions are quantitative factors such as...the earliest outbreaks of anxiety, which are of a very intense kind'.
1 A psychiatrist treats mood disorders, such as anxiety and depression, which can contribute to sleep problems. Psychiatrists may conduct therapy and prescribe medication to relieve symptoms.  A psychologist provides psychotherapy to treat mood disorders that can interfere with sleep.
Primary care doctors, such as a family doctor or pediatrician, may help diagnose and treat hemolytic anemia. Your primary care doctor also may refer you to a hematologist. This is a doctor who specializes in diagnosing and treating blood diseases and disorders.