(Sleep habits) can be healthy.Logical formLearned from68 sentences. A (sleep apnea) may pertain-to a male.Logical formLearned from68 sentences. Sleep can be elusive.Logical formLearned from68 sentences. Natural causes may undergo sleep.Logical formLearned from68 sentences. A person may go without sleep.Logical formLearned from68 sentences. Sleep can be stony.Logical formLearned from67 sentences. A (sleep debt) may pertain-to a person.Logical formLearned from67 sentences. A person may like sleep.Logical formLearned from67 sentences. A (sleep apnea) can be mild.Logical formLearned from66 sentences. A female may fall into sleep.Logical formLearned from66 sentences. A (sleep apnea) may pertain-to a person.Logical formLearned from66 sentences. A person may get a hour of sleep.Logical formLearned from66 sentences. Sleep may be deprived.Logical formLearned from66 sentences. Patients can be with (sleep apnea).Logical formLearned from66 sentences. Persons may go to sleep.Logical formLearned from66 sentences.