Why is hematoma a good thing? what is it’s importance? (will award brainliest answer) you!

It is not a good thing and it is not of any importance.

Explanation:

Hematoma is a collection of blood outside of the blood vessels, like a bruise, but it affects large blood vessels instead of small ones.

teens need 8-10 hours of sleep. it kind of depends on what time you get up. but prob around 10 or 11 p.m. or 11 or 11: 30 p.m.