Hello. Welcome to HCM. Levolin has side effects such as tremors, palpitation, etc. I think you are having asthma. If you need to use levolin more than twice a week, it indicates that your asthma is not properly controlled and your bronchial tubes are staying inflamed, which will not be relieved by levolin only, you will need to use controller inhaler (containing corticosteroid) daily. One more suggestion is that as you are having more problems after going to bed in night, I would suggest you to consult an allergist & get allergy tests done. Possibility is that you might be having allergic to house dust mites & appropriate measures can be suggested based on allergy testing results. Hope this was helpful to you. Wish you best of the health. Regards.