For years, every night my nose drains when i turn over or get up causing me to sneeze a lot and keeps me awake. how can it stop?

See an allergist: or an ENT specialist, several possibilities, the most common would chronic rhinosinusitis, whether allergic or non-allergic. Meanwhile, you can use saline nasal washes, less sedating antihistamines, as loratadine or cetirizine, every night, but read the labels carefully, Check your environment for dust, pet dander, etc..to locate an allergist in your area: acaai.org or aaaai.org, good luck