Sleep may consolidate memories.Logical formLearned from9 sentences. A (sleep apnea) can be chronic.Logical formLearned from9 sentences. Sleep can be tormented.Logical formLearned from9 sentences. A duration may pertain-to sleep.Logical formLearned from9 sentences. Sleep can be nice.Logical formLearned from9 sentences. A person may fall in sleep.Logical formLearned from9 sentences. A person may wake from sleep.Logical formLearned from9 sentences. A grandmother may die in sleep.Logical formLearned from9 sentences. Symptoms can be constituted-of-or-filled-with (sleep disorders).Logical formLearned from9 sentences. A problem can be with sleep.Logical formLearned from9 sentences. A person may have a (sleep problem).Logical formLearned from9 sentences. A person may skip sleep.Logical formLearned from9 sentences. Yours may undergo a (sleep phase).Logical formLearned from9 sentences. Persons may be diagnosed with obstructive (sleep apnea).Logical formLearned from9 sentences. Sleep can be an activity.Logical formLearned from9 sentences.