We see here that Evagrius presents the person afflicted with acedia as a “run-away”, as a deserter who flees the spiritual battlefield.  As a remedy for it he prescribes perseverance, which very often consists of remaining physically in one’s cell, whatever the cost, since physical stability is designed to support the stability of the heart.

The Noonday Devil: Acedia, the Unnamed Evil of Our Times
Jean-Charles Nault