Sentence:  It is repeated at intervals in some rather sadly desperate word-games for insomniacs , the hospitalized , and others <WSD>forced</WSD> to rely on inner resources , including ( in the P 's alone ) `` palindromes '' , `` paraphrases '' , and `` parodies '' . 
Meaning of the word marked with <WSD> tags:  to cause to do through pressure or necessity, by physical, moral or intellectual means :"She forced him to take a job in the city"