Hello Friend, Good that you are seeking a help here. Would suggest you assess your symptoms and conditions to first find the root cause behind sleeping disorder. Most common reason for sleep disturbance are stress and anxiety in your lifestyle. So better address that in parallel to see a permanent solution. Feel free to reach me online for detailed assessment of your current both physical and mental symptoms to suggest suitable alternative solution that includes self therapies, few lifestyle changes, exercise, diet changes etc.

Hello, It can be due to melasma in which there are patches darker than your usual skin color. It typically occurs on the face and is symmetrical, with matching marks on both sides of the face. it can be due to medication, hormonal imbalance, thyroid etc. Vitamin D level below 20 is considered low and you may need supplement for it.