I Have Just Had A Consultation With Neurologist. I Had

i have just had a consultation with neurologist. i had seizure and sodium was 120 but what is it meant to be ? psychosis developed but went . i sleep walk , remember my dreams clearly ,and have been told by my partner and others that i stop breathing whilst i sleep. i suffer terrible insommmnia and hallucinate visually and smell burning . my previous brain scan looked fine . is there a connection to my poor sleep and my low salt etc