My wife has had sinus problem for past few year,she is allergic to wether change which results in running nose and sneezing(lately happening almost everyday),but from last few days has encountered this  problem where in while sleeping she gets a sever cough attack almost every night and lot of cough comes out with it(had faced such problem before few years but got treated and cured, it has reoccurred now) . Please suggest what might be the problem and the remedy/treatment to this problem.Also Kindly suggest good ENT doctor at or around kalwa/thane whome we can consult.