Examlex
Research using student surrogates has high external validity due to the representativeness of the student population.
Insomnia
A condition involving challenges with initiating sleep, maintaining sleep, or achieving refreshing sleep.
Mortality Risk
The probability of death within a specific period, often used in health and life insurance industries to assess policy rates and coverage.
Pseudo-Insomnia
A condition in which a person believes they have sleep disturbances or insomnia but sleep studies show normal sleep patterns.
Biological Rhythms
Natural cycles of physical, emotional, or mental activity in living organisms, governed by internal biological clocks, such as circadian rhythms.
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