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 neurologist treats brain and nervous system disorders that may contribute to sleep problems.  An otolaryngologist treats ear, nose, and throat conditions. This doctor may evaluate snoring and other breathing problems associated with sleep disorders.
A number of different types of doctors can treat mental illness, including the following: 1  Primary care doctors: In many cases, your primary care doctor may diagnose and treat your mental illness. When necessary, the primary care doctor will refer you to a specialist.