Each clue has 1 letter missing from the wordplay .....number of letters unknown...
These clues have answers with 4,5 or 7 letters
5. Get up, accepting start of regular shifts. D is missing from the wordplay.
10. inability to concentrate? Given guidance, showing effects of debauchery. R is missing from the wordplay
11. Dilettante grew dull and is ignoring end of craze. T is missing from the wordplay
Normal clue but may have a misprint in the defn...
8d Put down article there for meditation