ESL, pažengęs lygis

At the End of the Day (2)

You can take a cat nap beside the fire or doze off on a train .........
which all describe the kind of sleep that can be ......... at a moment's notice.
A more basic expression of this ......... is to have a little shuteye.
Should you wish for a little peace and ......... at the office,
put a ......... outside your door stating: Do not disturb — having 40 winks.
Forty apparently is the ......... allowed for this kind of sleep.
The strange ......... is that few people announce boldly:
Well, I think I'll ......... to sleep now.
More ......... than not as a guest we'll say:
Well, I think if you don't ........., I'll turn in now.