Each sentence has a mistake. Find and correct it

Ex2: Each sentence has a mistake. Find and correct it.
1. Although action films are violent, but my brother likes them.
2. I couldn’t sleep last night despite of being very tired.
3. In VN, nobody dies. However, there are more than 200 people infected by
Covid 19.
4. In spite of we don’t go to school today. We have to study online at home.
5. He went out without a raincoat despite it rained heavily