Examlex
Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest
hundredth.
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Delta Waves
Slow, high amplitude brainwaves of less than 4 Hz that are typically associated with the deepest stages of sleep and unconsciousness.
Sleep Deprivation
Any significant loss of sleep, resulting in problems in concentration and irritability.
Insomnia
Difficulty in falling asleep or staying asleep, even when a person has the chance to do so, affecting physical and mental health.
Falling Asleep
The transition from wakefulness to sleep, marked by a decrease in bodily movement, responsiveness to external stimuli, and eventual entry into the sleep cycle.
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