A female may need sleep.Logical formLearned from65 sentences. Sleep may be deprived.Logical formLearned from64 sentences. Sleep may pertain-to a night.Logical formLearned from62 sentences. A period can be constituted-of-or-filled-with sleep.Logical formLearned from62 sentences. Problems can be with sleep.Logical formLearned from62 sentences. Sleep can be nightly.Logical formLearned from61 sentences. A person may catch_up on sleep.Logical formLearned from61 sentences. A (sleep apnea) can be untreated.Logical formLearned from61 sentences. Sleep can be lovely.Logical formLearned from60 sentences. A person may fall sleep.Logical formLearned from60 sentences. (Sleep ..s) may pertain-to a person.Logical formLearned from60 sentences. A female may get sleep.Logical formLearned from60 sentences. A dead may undergo sleep.Logical formLearned from59 sentences. A person can be ready for sleep.Logical formLearned from59 sentences. (Sleep patterns) can be irregular.Logical formLearned from59 sentences.