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What is the most common kind of star? What measurements must be made to discover this information?
Midday Napping
A short sleep taken during the day, particularly around the middle of the day, to rest and rejuvenate.
Ascending Reticular Activating System
A neural pathway in the brainstem that influences physiological arousal and consciousness.
Arousal and Alertness
Physiological and psychological states of being awake, responsive, and fully engaged with the environment.
NREM
Non-rapid eye movement sleep, which is one of the two basic states of sleep and involves less dreaming and lower body movement compared to REM sleep.
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