Why is the concept of death described as 'falling asleep' in the Bible?

In the Bible, the phrase 'falling asleep' is used to describe the death of believers, which conveys a profound theological truth regarding the nature of death in light of the resurrection. For example, in 1 Corinthians 15:6, some among the early church are referred to as having 'fallen asleep' after witnessing Christ’s resurrection, indicating that for believers, death is not the end but a transition. Thus, Stephen's death is described in Acts 7:60 as falling asleep, reflecting both the finality of his earthly life and the expectation of resurrection into the presence of God. This terminology provides comfort and hope, assuring believers of eternal life and the promise of resurrection at Christ's return.