active vocabulary. The definition of active vocabulary is the set of words that a person, group or profession is familiar with using. An example of an active vocabulary is the set of words that a toddler knows and uses. active-vocabulary. The collection of words and phrases that someone commonly uses in speech and writing.
Without adequate sleep, your brain has a harder time absorbing and recalling new information. Sleep does more than help sharpen the mind. Studies show that sleep affects physical reflexes, fine motor skills, and judgment, too.One study showed that participants who were sleep deprived were more likely to think they were right when they were, in fact, wrong.he Power of Sleep. Imaging and behavioral studies continue to show the critical role sleep plays in learning and memory. Researchers believe that sleep affects learning and memory in two ways: 1  Lack of sleep impairs a person's ability to focus and learn efficiently.
If you go long enough without sleep, you may begin to have hallucinations. Read more. The long-term effects of sleep deprivation include anxiety, depression, and even thoughts of suicide. Read more.If you are seriously sleep deprived, you might fall asleep for short periods without even knowing it.ack of sleep can actually increase your appetite, and your brain may not get the message that youâve had enough to eat. Read more. Lack of sleep affects the amount of insulin released after you eat, increasing your risk of developing type 2 diabetes. Read more.