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Instructions: Answer the following question(s).
How did the decline of the Byzantine Empire correlate with the growth in the power and prestige of the Holy Roman Empire in western Europe?


Definitions:

Deep Sleep

The phase of sleep also referred to as slow-wave sleep, essential for physical renewal, hormonal regulation, and the growth and repair of tissues.

Alpha Rhythm

Large, extremely regular brain waves with a frequency ranging from 7 to 11 Hz; found in most people when they are relaxed with eyes closed.

Suprachiasmatic Nucleus

A small region of the brain in the hypothalamus responsible for controlling circadian rhythms by regulating sleep-wake cycles.

Pacemaker

A pacemaker is a medical device implanted in the chest to help control abnormal heart rhythms by using electrical pulses to prompt the heart to beat at a normal rate.

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