Author: Billie Eilish

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Biphasic and polyphasic sleep: what are they and when are they recommended? Available data indicates that biphasic and polyphasic sleep was the normal way of sleeping before industrialism came along. Those who have insomnia...

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Sinus bradycardia (or simply bradycardia) refers to the reduction in heart rate below the reference range. In the adult, the heart at rest beats at an optimal frequency of about 70-80 beats per minute,...