阅读下面一小段文章,选择正确的答案。 "There's probably little reason to pay attention to our dreams at all unless they keep us from sleeping or we wake up in panic," Cartwright says. Those suffering from persistent nightmares should seek help from a therapist. For the rest of us, the brain has its ways of working through bad feelings. Sleep or rather dream on it and you'll feel better in the morning. Cartwright thinks a person who has constant bad dreams should ______.