In Julie Garwood's "Castles," the character Colin struggles deeply with his emotional turmoil, feeling that sleep is the only relief from his pain. At one in the morning, he is overwhelmed by despair and wishes for an end to his suffering, indicating a profound sense of hopelessness. The intensity of his feelings escalates to a point where he believes that death would be a welcome escape from his anguish.

As the hours pass, Colin's mental state declines further. By three o'clock, he feels as though he has reached a point of no return, lying on his bed in a defeated position. This portrayal highlights his desperate longing for peace and signifies the extent of his struggle. Garwood effectively captures the depth of Colin's emotional crisis and the torment he endures during this sleepless night.