Sleep, Sleep Disorders, and Biological Rhythms
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National Center on Sleep Disorders Research website National Institutes of Health website National Heart, Lung, and Blood Institute (NHLBI) website

 

National Institutes of Health
National Heart, Lung, and Blood Institute
National Center on Sleep Disorders Research

Sleep, Sleep Disorders, and Biological Rhythms

Main    Getting Started    Teacher's Guide    Student Activities    About NIH and NHLBI

Glossary    Map    Contact

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Teacher's Guide

Long Description of Figure 9

Graph of body temperature to time of day. The y axis shows body temperature ranging from 96 to 98.5 degrees Fahrenheit. The x axis shows a 24-hour period, from just before 11 p.m. to 7 a.m. to 11 p.m. A solid line is shown beginning at the left at a high temperature of 98.5 just before 11 p.m. and falling below 96.5 just before 7 a.m., then rising to 98 just after 7 a.m., and leveling off at 98.5 until 11 p.m. The period between 11 p.m. and 7 a.m. is boxed and labeled as sleep.

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