I wake up every morning for the past two weeks with dried blood when I clean my nose. I sleep with a humidifier and I never had any allergies.?

Dry air and surround. Also, in the southern states, and rest of the country when the air conditioning is on in buildings as well as in cars, this causes the air to dry out and thus, can contribute to your persistent "bloody" nose.
DRY NOSE. Signs of a dry nose. Using the humidifier is only helping keep the air moist in the bedroom while you are in bed. However, during the rest of the day you may not be in or near your bedroom, and the air may be dry. Also, in the norther states, when the furnaces are running to warm the room, and in cars with the heaters running, you are exposed to dry air that leads to continued dry environment.