medan

In a sentence

• Jag studerade medan du sov.

  I studied while you were sleeping.

  Here 'medan' is used as a conjunction to indicate that two actions occurred simultaneously.

• Medan vissa tycker om kaffe, föredrar jag te.

  While some people like coffee, I prefer tea.

  In this sentence, 'medan' is used to express contrast or comparison between two opinions.

• Medan vi väntade, såg vi på tv.

  While we were waiting, we watched TV.

  Here, 'medan' serves as a conjunction to describe an activity taking place during another ongoing event.