Word: sleeping
(lookup in dictionary)
(lookup stats)
Dates: during 1940-1949
Sort By: most recent first
(reverse)
...supreme mystery lies in commonplace phenomena, so exquisitely maintained that they excite almost no attention. The regularity of the rhythm of breathing, the constancy of pulse rate, the exact maintenance of body temperature, the beautiful balance of the intake and output of fluid, the cycle of sleep, the integrity of body weight, and the imposed periodicity of the menstrual rhythm-all these ebbs and flows are instrumented primarily through the [hypothalamus...