Print. The rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder. A rotator cuff injury can cause a dull ache in the shoulder, which often worsens when you try to sleep on the involved side.rint. The rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder. A rotator cuff injury can cause a dull ache in the shoulder, which often worsens when you try to sleep on the involved side.
Generalized Anxiety Disorder Symptoms & Signs. Symptoms of generalized anxiety disorder can vary in severity and may not be the same in all individuals suffering from anxiety. Common symptoms include restlessness, nervousness, worry, difficulty with concentration, feeling as if the mind is blank, sleep disturbances, muscle tension, and fatigue.
Anxiety disorders are a group of related conditions, and each with unique symptoms. However, all anxiety disorders have one thing in common: persistent, excessive fear or worry in situations that are not threatening. People can experience one or more of the following symptoms: Emotional symptoms: 1  Feelings of apprehension or dread. 2  Feeling tense and jumpy. 3  Restlessness or irritability.