a slumber coach的用法和样例：
- Well, uh, what are roomettes and slumber coaches?
- I could not have been long in bed when I fell into a slumber.
- And there are roomettes and slumber coaches on both of them.
- Instead of studying the whole night through, last night I had a slumber party with my friends, Ramona, Priscilla and Phyllis.
- The coach built the team up to a fighting pitch.