Cambridge Use of English — ტრენაჟორი & სიმულატორი

Recent breakthroughs in neuroimaging have shed new (1) ______ on how the human brain consolidates memories during sleep. For decades, researchers assumed that sleep was merely a passive state in which the body recovers from physical exhaustion. However, contemporary studies (2) ______ beyond doubt that the sleeping brain remains remarkably active. When we learn a complex skill — such as playing the violin or mastering a foreign language — neural pathways are initially fragile and (3) ______ to interference. During deep slow-wave sleep, the hippocampus replays these newly acquired patterns, transferring them to the cerebral cortex for long-term storage. Consequently, students who (4) ______ an all-nighter before a major examination often perform significantly worse than those who get a full night's rest. Furthermore, sleep deprivation takes a heavy (5) ______ on emotional regulation and executive decision-making. Even a modest reduction in sleep duration can (6) ______ rise to heightened anxiety and impaired concentration. Rather than viewing rest as a luxury, universities and employers should (7) ______ into account the biological necessity of sleep when designing schedules. Ultimately, striking a healthy (8) ______ between intensive study and adequate recovery is the key to unlocking our full cognitive (9) ______, regardless (10) ______ age.