Examlex
A light year is defined as the distance light can travel at 3 × 108 m/s in one year (365 days).How far is one light year in kilometers? Enter your answer accurate to two decimal places in scientific notation.
Deep Relaxation
A state of profound mental and physical calm achieved through techniques such as meditation, guided imagery, or deep breathing exercises.
REM Sleep
A stage of sleep characterized by rapid eye movements, during which dreaming often occurs and brain activity resembles that of an awake state.
Sleep Deprivation
A condition resulting from insufficient sleep, which can affect cognitive functions, emotional well-being, and physical health.
Slow-wave Sleep
A deep phase of sleep characterized by slow brain waves, where the brain and body have the opportunity to rejuvenate and consolidate memories.
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