I have breathing problem during night time. Im not able to breathe properly if i lie down. I feel like there is exactly something between my lungs. I can feel the cold or mucus there. If im tired i can sleep normally. If im active during night i have the above problem. Also initially cold used affect my throat,then it moved to back of ears, now i feel its between the chest, i feel like something is tight in there. When cold was behind my ears l, i get severe headache too. Kindly do let me know, what's wrong with me. what medications are suggested ?