woman stressful work at workplace. busy business unhappy female clerk sitting at desk. sad, workaholic. tired or exhausted woman

depression headache girl overwork stressed depressed overtime overemployment document workaholic clerk stressful career workspace exhausted worker unhappy computer sad deadline manager workplace expertise investment mental burnout corporate business woman ethnicity tired overworked stress busy desk office businesswoman occupation sitting worried women laptop employee place work entrepreneur emotional exhaustion working person home workplace female desk workaholic office vector