Benylin mucus cough night is for night time relief of cough associated congestive symptoms and aiding restful sleep it thins and loosens chest mucus so you can get rid of it when you cough helping relieve the weighty uncomfortable feeling of mucus on the chest so when youre suffering from a cough and a cold at night and breathing is difficult benylin mucus cough night soothes and relieves your night time cough so you can sleep soundly