A male may require sleep.Logical formLearned from12 sentences. A hormone may regulate sleep.Logical formLearned from12 sentences. A person may awoke from sleep.Logical formLearned from12 sentences. A (sleep medication) may pertain-to a person.Logical formLearned from12 sentences. Sleep may last.Logical formLearned from12 sentences. Sleep may be disturbed.Logical formLearned from12 sentences. A male may need sleep.Logical formLearned from12 sentences. A (sleep state) may pertain-to a person.Logical formLearned from12 sentences. A person may get a good night of sleep.Logical formLearned from12 sentences. Persons may get hours of sleep.Logical formLearned from12 sentences. A grandfather may die in sleep.Logical formLearned from12 sentences. Sleep can be comfy.Logical formLearned from12 sentences. Sleep may suffer.Logical formLearned from12 sentences. A row can be constituted-of-or-filled-with sleep.Logical formLearned from12 sentences. A male may mumble in sleep.Logical formLearned from12 sentences.