This is the 12972nd most frequent Russian word.
лишили
"Deprived" or "deprived of."
In this sentence, the word 'лишили' signifies an action of deprivation, where privileges are taken away from someone.
Они лишили его всех привилегий.
They deprived him of all privileges.
Here, 'лишили' refers to being deprived of an opportunity, highlighting its usage to denote loss or removal.
Нас лишили возможности участвовать в соревновании.
We were deprived of the opportunity to participate in the competition.
In this context, 'лишили' is used to discuss whether sleep was lost or deprived due to certain events.