With the chilly air seeping through every gap and corner across our homes, we simply want ro retreat and sit by our heaters, in an attempt to feel warm and maintain our body’s normal temperature. During summers, the opposite takes place, wherein we move the toggle all the way down to the lowest possible temperature, almost converting our rooms into a cooling unit of sorts.
We may not place much focus on keeping our rooms at the right temperature or otherwise, but after learning that this presumably trivial aspect of our lives affects processes that are a lot more significant, you may want to reconsider. Researchers at the Harvard Medical School and the Arthur Marcus Institute for Aging Research have discovered that your room’s temperature is secretly affecting the way your brain functions.
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How Does Room Temperature Impact Brain Function?
According to a study conducted by the Harvard Medical School and the Hinda and Arthur Marcus Institute for Aging Research, indoor temperature has an impact on older persons' concentration, even when they are at home.
According to the study published in the Journals of Gerontology, older people who live in homes with temperatures between 20 and 24˚C have the fewest attention problems. Excessive deviations quadruple the chance of attention lapses, demonstrating how even the current climate can be detrimental to cognitive function. Seniors with limited incomes are particularly at danger because they might not have the resources to control indoor temperatures.
The Link Between Heat And Mental Health
Heat and mental health have been linked in studies. For instance, high temperatures were linked to a variety of negative effects on mental health, according to a review of published research on heat waves and mental health outcomes. Although there was evidence of a higher risk of suicide, there was also evidence of a higher number of ED visits and hospitalisations for a range of mental health disorders during periods of intense heat.
The effects of heat on neurotransmitters (the molecules that facilitate communication between brain cells) may be partially to blame for this. Many psychiatric medications target the neurotransmitters serotonin, dopamine, and norepinephrine, which are also known to play a role in thermoregulation. Furthermore, the release of cortisol (the stress hormone) can be increased by heat.
How Heat Affects Performance And Thermoregulation
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The impact of heat stress on performance depends on the complexity of tasks and the body’s ability to maintain a stable internal temperature, known as thermoregulation.
Simple tasks- Performance is usually unaffected.
Complex tasks- Tasks requiring sustained focus are significantly impacted.
High internal temperatures- Impairments in cognitive and motor performance become noticeable when internal body temperature reaches 38.5°C. Prolonged exposure to heat stroke conditions, where internal temperature reaches 40°C, can cause long-lasting neurological damage.
Individuals who struggle to dissipate heat are at greater risk of hyperthermia, or a rise in internal body temperature, after being exposed to high temperatures. These individuals are particularly vulnerable to heat-induced cognitive impairments.
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How To Ensure You Are Spending Your Days With The Temperature Set Right?
Determine your ideal sleeping temperature. Since every individual is unique, it's critical to adjust your surroundings to meet your needs. You may want to start with a room temperature of 68 to 74 degrees and then experiment with lower temperatures to see how it impacts your sleep, using fans or air conditioning if available.
Avoid being dehydrated before bed. Make sure to stay hydrated all day long on hot days. To be hydrated, most people need to consume roughly two litres, or 72 ounces, of water each day. Asking your healthcare practitioner for advice is the best course of action if you have a medical condition or are taking medication that could compromise your ability to stay hydrated.
You can regulate your body temperature and avoid overheating at night by using lighter bed linens and sleepwear. Additionally, to get your body ready for sleep, do relaxation exercises like reading or listening to soothing music before bed. Also, avoid consuming large meals, foods high in sugar, and stimulants like caffeine right before bed.