Shamir, a 50-year-old man, feels queasy most of the time. His symptoms include sleep disturbances, irritability, and muscle tension. He is constantly restless, fidgets all the time, and cannot sit still for a minute. Shamir has been diagnosed as having

Generalized anxiety disorder

Explanation:

Generalized Anxiety Disorder is the overthinking issue which affect the person's future forecasts to include only the extreme situations and get hurt themselves. In other words, these kind of people are addictive to worries and sadness and find it difficult to control their worry. The result is that we see them almost irritable, more sleepy, always tired, lower productivity and time managements are the prominent issues with these people.

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