In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: In what phase or phases of the dream are the night terrors ?:
Options: <1> In the phases of deep slow sleep (phases 3 and 4). <2> In phase 2 <3> In REM sleep. <4> In phase 1 <5> They can occur indistinctly at any stage of the dream.
1