A person may have a night of sleep.Logical formLearned from42 sentences. A male may drift into sleep.Logical formLearned from42 sentences. Sleep can be deep.Logical formLearned from42 sentences. Sleep may be required.Logical formLearned from42 sentences. A person may wake_up from sleep.Logical formLearned from42 sentences. A person can be short on sleep.Logical formLearned from42 sentences. A male may need sleep.Logical formLearned from42 sentences. A female may get some hours of sleep.Logical formLearned from41 sentences. A (heart attack) can be in sleep.Logical formLearned from41 sentences. A person may catch sleep.Logical formLearned from41 sentences. A person may get lots of sleep.Logical formLearned from41 sentences. A female can be in a deep sleep.Logical formLearned from41 sentences. Sleep may undergo timing.Logical formLearned from41 sentences. Sleep can be essential.Logical formLearned from40 sentences. Sleep can be safe.Logical formLearned from40 sentences.