Minimum duration of sleep required daily by an average healthy adult?

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E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 114-116
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 776-778
Practise the full UPPSC-2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.