A day of rest can be dedicated to higher things, or we can find ourselves mired in an empty expression of laziness and a lack of initiative. “Day of rest” we get from Genesis. Have we offered a “day of joy” to God? Or are we too tired after evening follows the seventh day?
82. It is with this strong conviction of faith, and with awareness of the heritage of human values which the observance of Sunday entails, that Christians today must face the enticements of a culture which has accepted the benefits of rest and free time, but which often uses them frivolously and is at times attracted by morally questionable forms of entertainment. Certainly, Christians are no different from other people in enjoying the weekly day of rest; but at the same time they are keenly aware of the uniqueness and originality of Sunday, the day on which they are called to celebrate their salvation and the salvation of all humanity. Sunday is the day of joy and the day of rest precisely because it is “the Lord’s Day”, the day of the Risen Lord.
Catholic Sensibility 