Your reports are normal,
HDL cholesterol has been raised to some extent.You can adjust the dose under guidance of your doctor as sleep may get disturbed and on this dose of Quetiapine, metabolic side effects are least, overall your inv are normal. With medication you follow sleep hygiene, relaxation exercises, daily activity schedule that will help you in sound sleep and overall well being, on reducing dose, if sleep does not get disturbed, you can continue on low dose with all above advice in your routine , keep records of weight also
Next Steps
follow as discussed