Niemann-Pick signs and symptoms may include: 
Clumsiness and difficulty walking
Excessive muscle contractions (dystonia) or eye movements
Sleep disturbances
Difficulty swallowing and eating
Recurrent pneumonia
 The three main types of Niemann-Pick are types A, B and C. The signs and symptoms you experience depend on the type and severity of your condition. Some infants with type A will show signs and symptoms within the first few months of life. Those with type B may not show signs for years and have a better chance of surviving to adulthood. People with type C may not experience any symptoms until adulthood.