If a person is much afraid or very much stressed. Can this cause restlessness. Like you feel like sleeping every time and still feel tired and dizzy. And while awake you're engrossed in your fear again. It's like stress out ,get afraid, sleep and repeat every time. Feeling dizzy and tired always inspite of feeling sleepy so much but having a healthy diet. Why this happening? What is the reason behind this Do you feel objects spinning around you when you are dizzy? No Any associated headache: Yes Any Associated nausea or vomiting? No Can you tell when an attack is about to start? No Does change of position make you dizzy? Yes.