Examlex
In the 2 hours between classes a student can do one of three things, ranking them from most to least desirable as: (1) chat with friends, (2) study economics, or (3) eat lunch. This student's opportunity cost of chatting with friends is:
Sleep patterns
The habitual resting periods, including the timing, duration, and quality of sleep.
Exercising
Engaging in physical activities to sustain or improve health and fitness.
Sleep deprivation
A condition resulting from inadequate quantity or quality of sleep, which can affect cognitive function, mood, and physical health.
Wake up
The act of emerging from sleep to a state of consciousness.
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