4-8 weeks depending on the person. Your piercer could change it one to two weeks after the piercing for you.
As long you make sure the earring that you're putting in your ear is disinfected to make it less likely that you will get an infection
If the pain of sleeping on it is tolerable then it should be ok to sleep on it.
The articular cartilage of a typical long bone is composed of hyaline cartilage. This type of cartilage is smooth and provides a slippery surface for easy joint movement. It also helps cushion and distribute forces during movement.
You should keep the ice on your ear for 4 minutes
Hyaline cartilage
It is found at either end of the long bones where it provides a shockabsorbance in the synovial joint capsule.
cartilage is dense connective tissue and the cartilage of the long bone is articular hyaline cartilage, located on the outer surface of the articulating portion of the long bone.
articular cartilage Hyaline cartilage
articular cartilage Hyaline cartilage
The epiphyses of long bones are covered by hyaline cartilage, also known as articular cartilage. This cartilage provides a smooth surface for articulation at the joints and helps reduce friction during movement.
The ends of long bones are covered with cartilage, known as articular cartilage. This cartilage helps reduce friction and absorb shock within joints, allowing for smooth movement and protecting the bone from wear and tear.
Costal cartilage is a long strip of hyaline cartilage