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Room temperature, colloquially, denotes the range of air temperatures most people find comfortable indoors while dressed in typical clothing. Comfortable temperatures can be extended beyond this range depending on humidity , air circulation , and other factors.
This unwanted air movement is called "draft" and is most prevalent when the thermal sensation of the whole body is cool. People are most likely to feel a draft on uncovered body parts such as their head, neck, shoulders, ankles, feet, and legs, but the sensation also depends on the air speed, air temperature, activity, and clothing. [1]
Users provide operative temperature (or air temperature and mean radiant temperature), air speed, humidity, metabolic rate, and clothing insulation value, and the tool evaluates predicted thermal sensation on a scale from -3 (cold) to +3 (hot). Compliance is achieved if the conditions provide thermal neutrality, measured as falling between -0.5 ...
Anyone who shares a bedroom is likely familiar with what can sometimes become a bitter battle over the temperature at bedtime. Studies have shown that 50 percent of couples prefer different ...
Specifically, a too-cold environment can make it difficult to get comfortable, fall asleep and stay asleep. Aging can also exacerbate the impact of a too-cold room on sleep.
Origins of heat and cold adaptations can be explained by climatic adaptation. [16] [17] Ambient air temperature affects how much energy investment the human body must make. The temperature that requires the least amount of energy investment is 21 °C (70 °F). [5] [disputed – discuss] The body controls its temperature through the hypothalamus.
Hence, a comfortable temperature in a heated building may be 18 - 22 degrees Celsius (64.4 - 71.6 degrees Fahrenheit). [6] [7] Humans produce an obligatory 100 W (0.13 hp) of heat energy at rest as a by-product from basic processes like pumping blood, digesting, breathing, biochemical synthesis and catabolism etc. This is comparable to a common ...
Apparent temperature, also known as "feels like", [1] [2] is the temperature equivalent perceived by humans, caused by the combined effects of air temperature, relative humidity and wind speed. The measure is most commonly applied to the perceived outdoor temperature.