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On the other hand, a "normal" temperature may be a fever, if it is unusually high for that person; for example, medically frail elderly people have a decreased ability to generate body heat, so a "normal" temperature of 37.3 °C (99.1 °F) may represent a clinically significant fever. [37] [39]
Basal body temperature (BBT or BTP) is the lowest body temperature attained during rest (usually during sleep). It is usually estimated by a temperature measurement immediately after awakening and before any physical activity has been undertaken. This will lead to a somewhat higher value than the true BBT. In women, ovulation causes a sustained ...
The wet-bulb temperature is the lowest temperature that can be reached under current ambient conditions by the evaporation of water only. Even heat-adapted people cannot carry out normal outdoor activities past a wet-bulb temperature of 32 °C (90 °F), equivalent to a heat index of 55 °C (131 °F). A reading of 35 °C (95 °F) – equivalent ...
During this phase, body temperature and heart rate fall, and the brain uses less energy. [10] REM sleep, also known as paradoxical sleep, represents a smaller portion of total sleep time. It is the main occasion for dreams (or nightmares ), and is associated with desynchronized and fast brain waves, eye movements, loss of muscle tone, [ 18 ...
People do not swallow large numbers of spiders during sleep. A sleeping person makes noises that warn spiders of danger. [481] [482] Most people also wake up from sleep when they have a spider on their face. [483] A female Chinese mantis simultaneously copulating with and cannibalizing her mate; this does not occur every time mantises mate.
Elephants are homeotherms and maintain their average body temperature at ~ 36 °C (97 °F), with a minimum of 35.2 °C (95.4 °F) during the cool season, and a maximum of 38.0 °C (100.4 °F) during the hot dry season.
The highest reliably recorded temperature in the world, [6] [7] 134 °F (56.7 °C), was recorded in Death Valley on July 10, 1913. Temperatures of 130 °F (54 °C) or higher have been recorded as recently as 2005. The 24-hour average July temperature in Death Valley is 101.8 °F (38.8 °C) (1981–2010 NCDC Normals).
The warmest calendar year in Fairbanks was 2019, when the average annual temperature was 32.5 °F (0.3 °C), while the coldest was 1956 with an annual mean temperature of 21.3 °F (−5.9 °C). The warmest month has been July 1975 with a monthly mean of 68.4 °F (20.2 °C) and the coldest January 1906 which averaged −36.4 °F (−38.0 °C).