I have no energy or motivation to do anything & it's making me very depressed. all i do is work, and try to sleep. how can i fix this?

See below: If this is going more than 1-2 weeks, it is consistent with major depression. See your doctor or a psychiatrist.

Depressive symptoms: Start with a medical evaluation to rule out medical causes of your symptoms. Medications are sometimes indicated. Talking therapy to include Cognitive Behavioral therapy or psychotherapy can be effective. Aim for daily exercise, 8 hours of sleep per night & good nutrition w 5 servings of veggies & 4 of fruit per day. Try tai chi, yoga, Qi Gong, progressive muscle relaxation, deep breathing