Examlex
________ is the bending of a light wave as it passes from one medium to another.
Learning
Learning is the process of acquiring new understanding, knowledge, behaviors, skills, values, or preferences, often through study, experience, or teaching.
Sleep
A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, and inhibition of nearly all voluntary muscles.
Narcolepsy
A neurological disorder that affects the control of sleep and wakefulness, leading to excessive daytime sleepiness and uncontrollable sleep attacks.
Awake
The state of being conscious and aware of one's surroundings, as opposed to being asleep.
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