Which is NOT a sleeping disorder?

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E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 111-113
E6 Nursing Fundamentals Taylor p. 219-221
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 14358-14360
Practise the full NIMHANS Nursing Officer - 2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.