Get Your Zzzs If you've ever had a sleepless night, you know that a lack of sleep can make you feel sluggish. Yet failing to get a good night's sleep can also have more serious consequences. Sleep plays an important role in the process of learning new information. A lack of sleep reduces a person's ability to pay attention and concentrate, which makes learning more difficult. In addition, sleep is necessary for remembering information. In 2009, researchers discovered that brain patterns called sharp wave–ripple complexes consolidate memories—that is, fix them in the brain—and transfer them to long-term storage. These brain waves happen most often during the deepest phases of sleep. Thus, you may have a hard time remembering what you learned during the day if you don't get enough sleep.
What is the main idea of the passage?

Welcome to the vocabulary assessment. by connecting with words in a more interactive way, through a graphic organizer that includes your own ideas, we hope you will learn new vocabulary strategies to integrate into your course work and your everyday life. objectives: use a variety of techniques to acquire a range of words determine, clarify, and illustrate the meaning of unfamiliar words to ensure that you properly and successfully complete the vocabulary assessment, do the following: complete the assessment using the passage provided. select a word from the passage, and identify/create each of the following for that word: denotation connotations synonyms antonyms affixes the sentence from the passage where the word appears an original sentence using the word a memory trick type your responses in the appropriate boxes. after you have typed your responses, print your graphic organizer and submit it to your teacher. be careful not to refresh the page before printing, as some browsers will not save your work. passage from "the pit and the pendulum" by edgar allan poe very suddenly there came back to my soul motion and sound—the tumultuous motion of the heart, and in my ears the sound of its beating. then a pause in which all is blank. then again sound, and motion, and touch, a tingling sensation pervading my frame. then the mere consciousness of existence, without thought, a condition which lasted long. then, very suddenly, thought, and shuddering terror, and earnest endeavor to comprehend my true state. then a strong desire to lapse into insensibility. then a rushing revival of soul and a successful effort to move. and now a full memory of the trial, of the judges, of the sable draperies, of the sentence, of the sickness, of the swoon. then entire forgetfulness of all that followed; of all that a later day and much earnestness of endeavor have enabled me vaguely to recall.

Use a dictionary to find the primary accent in the word. type an "a" in the box above the syllable that should be accented. unilateral.

Time remaining 59: 40 luka is writing a fictionalized story about a physicist. what would be the best choice for source material to use for his story? o o o o a blockbuster film a national newspaper a science-fiction website a popular novel