Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Primary Hyperparathyroidism ?
    ### Response:
    Most people with primary hyperparathyroidism have no symptoms. When symptoms appear, they are often mild and nonspecific, such as
                
- muscle weakness  - fatigue and an increased need for sleep  - feelings of depression  - aches and pains in bones and joints

    