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.
Yes, lack of sleep can affect your immune system. Studies show that people who don't get quality sleep or enough sleep are more likely to get sick after being exposed to a virus, such as a common cold virus. Lack of sleep can also affect how fast you recover if you do get sick.During sleep, your immune system releases proteins called cytokines, some of which help promote sleep. Certain cytokines need to increase when you have an infection or inflammation, or when you're under stress.Sleep deprivation may decrease production of these protective cytokines.ong-term lack of sleep also increases your risk of obesity, diabetes, and heart and blood vessel (cardiovascular) disease. How much sleep do you need to bolster your immune system? The optimal amount of sleep for most adults is seven to eight hours of good sleep each night. Teenagers need nine to 10 hours of sleep.