I'm always tired, i get 8 hours sleep, i do muscle relaxation before bed, i've had a sleep study that came back within normal range, at a loss.

Look at other factor: With low energy there could be several factors. Look at your diet, exercise and activities throughout the day. You may also be feeling low energy due to depression, and perhaps would benefit from the services of a professional counselor.

Seek cause: Psychological factors may play in, but there are dozens of real medical illnesses that are frequently missed. Anemia, iron deficiency not yet anemia, carbon monoxide in the home, thyroid disease, addison's (don't miss this one / simmonds'), polymyalgia rheumatica, early lupus / rheumatoid arthritis, lyme disease. We have general physicians to investigate these possibilities as appropriate.