Got up today bloody nose, i can smell everything for once(not good) home smells of cat, ferret, and cigarettes?

Bloody noses: Common reasons for nose bleeds include: nasal congestion or nasal dryness, ^ blood pressure, excessive use of decongestants, being at a ^ altitude, trauma to the nose, nose picking, or blowing the nose hard. Bacterial & viral infections can ^ risk as well as bleeding disorders. Recurrent nose bleeds may be due to a broken vessel in the nose. Alcohol or Cocaine abuse can lead to nose bleeds.