They need to be able to differentiate night terrors from other sleep disturbances and determine possible ways to alleviate the occurrences.
[ncbi.nlm.nih.gov]
Night terrors and other sleep disturbances, such as somnambulism, are disorders of arousal (Broughton, 1968; Fisher, Kahn, Edwards, & Davis, 1973; Guilleminault, 1987).
[ncbi.nlm.nih.gov]
Children are more likely to have disturbed sleep if other people in the family have also had sleep disturbances.
[cyh.com]