I have previous history of allergic bronchitis and hypotyroidism, currently i am infected with covid-19,mild 4/25 HRCT result with no cough n cold,no fever,no weakness and no bodyaches and i am getting treatment, but during these days i noticed when i sleep during daytime(not in night) i wakeup gasping for oxygen as spo2 also decrease to 91-92, suddenly after awake it gets normal to 97-98 Why its happening?? Should i use duolin and budacort with nebuliser??