Answer to Question 1
ANS: C
The usual sleep sequence for a person is a fairly rapid progression through NREM 1 through 4, back through NREM 3 and 2, and then into REM sleep.
Answer to Question 2
ANS: D
The regular bedtime routine should be consistently followed. Children need 10 to 12 hours of sleep a day, and toddlers and preschoolers may exhibit resistance to going to bed. Sleep needs fluctuate with growth spurts.