Hi, If you are not certain about what is going on with you ,try to get professional help.Rule out any medical conditions that may be causing problems.Consult a psychologist for assessment and counseling sessions.You may be suffering from generalized anxiety.Stress, sleep disturbance, monotonous lifestyle,lack of exercise,etc are some specific issues.
Next Steps
Consult a psychologist
Health Tips
Healthy lifestyle
Proper sleep and regular exercise
Progressive muscles relaxation