Boredom and ineffective attempts to escape tedium are the perpetual lot of humankind.
~ Kilroy J. Oldster
Disquietude that springs from the fundamental nature of being a human being is vaster and more encompassing than depression, which has a cause and therefore a cure.
A person can hurry through or sleep walk through life, but whenever they stop to catch their breath or awaken from a long nap, they will find apprehension, disquiet, and fretfulness waiting their directed attention.