Examlex
All organisms require a constant input of energy.
Sleepiness
A state of strong desire for sleep, or sleeping for unusually long periods (compare with tiredness).
Sleep
A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, and inhibition of nearly all voluntary muscles.
Increases
Situations or occurrences where there is a rise in quantity, size, number, value, or extent.
Time Zones
Regions of the Earth that have adopted the same standard time, typically differing from neighboring regions by an exact number of hours.
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