Short answer

Islam teaches that death is not the end of the account. First comes the barzakh, a barrier between this life and the Day of Resurrection (the Day when all are raised). In the grave each person is questioned by two angels. Each is shown the place that waits for them, in Paradise or in the Fire (Hell). So reward and punishment begin at once. Then, on the Day of Judgement, God (﷾) judges every human being from Adam onward. No one is wronged by even an atom's weight. Paradise lasts for ever, and no one in it is ever asked to leave. Hell lasts for ever for those who die rejecting faith. Believers who enter it for their sins are brought out by God's (﷾) mercy.

Read the full explanation

See your saved pages