The most common and most likely answer to this crossword clue is the 8 letter word SCHNAPPS
I've seen this crossword clue in Financial Times
S
C
H
N
A
P
P
S
More clues leading to the result SCHNAPPS
- Sleeps soundly after school — that's the spirit
- Drunken announcement of breaks for booze
- Pile into school playgrounds, lacking guts and spirit
- Sleeps after school, having imbibed Penny’s strong drink
- Unexpected afterthought to include children’s drink
- Extra comment following school game shows spirit
- Lose temper about church having parsonages emptied of drink
- Strong drink, as second child sleeps soundly
- Tory chairman hugs Conservativehaving split
- Chap spins out of control — one should be denied strong drink
Buddy explains!

The straight part
We know that "drink" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drink = schnapps.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SCHNAPPS mean?
SCHNAPPS noun- A type of distilled alcoholic beverage, often with a herbal or fruit flavoring, typically drunk neat as apéritif or digestif.
- A serving of this beverage.