Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. Words can be used more than once. ResetHelp 1. : The stage when vital signs (blood pressure, heart rate, and body temperature) reach their lowest normal levels. 2. : Indicated by movement of the eyes under the lids; dreaming occurs. 3. : Theta and delta waves begin to appear. 4. : Very easy to awaken; EEG shows alpha waves; may even deny being asleep. 5. : Typified by sleep spindles. 6. : The sleep cycle where bed-wetting, night terrors, and sleepwalking may occur. 7. : May allow the brain to work through emotional problems in dream imagery.