A person may sleep for years.Logical formLearned from22 sentences. Dogs may sleep.Logical formLearned from22 sentences. A guy may sleep some hours.Logical formLearned from22 sentences. A male may sleep for some years.Logical formLearned from22 sentences. A female may sleep naked.Logical formLearned from22 sentences. Some soldiers may sleep.Logical formLearned from22 sentences. A female may sleep on a mattress.Logical formLearned from22 sentences. A pair may sleep.Logical formLearned from21 sentences. Humans may sleep.Logical formLearned from21 sentences. A person may sleep at 6am.Logical formLearned from21 sentences. Guys may sleep.Logical formLearned from21 sentences. A person may sleep beauty.Logical formLearned from21 sentences. A person may sleep for a week.Logical formLearned from21 sentences. A person may sleep in way.Logical formLearned from21 sentences. A person may sleep some hrs.Logical formLearned from21 sentences.