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  • FloBeds The Original Natural Personally Engineered Mattress
    FloBeds The Original Natural Personally Engineered Mattress
    Made in USA 1-800-356-2337
    live person guaranteed

     

    The Original Personally Crafted Latex Mattress... because your body deserves it!

    The Best Temperature for a Good Night's Sleep

    Light and time aren't as important as temperature, new research shows

    The Ideal Temperature for Deep Sleep

    By SUMATHI REDDY

    Feb. 22, 2016 1:42 p.m. ET

    To get a good night's sleep, many people should set their thermostat a few degrees lower, experts say.

    The role of temperature has gotten increased attention after a study published last year found sleep may be more tightly regulated by temperature than by light. What's more, core body temperature, which tends to fluctuate by a few degrees over the course of the day, needs to drop to help initiate sleep.

    Setting the thermostat to around 65 degrees Fahrenheit is good for sleep, studies have found. Research has also found that room temperatures as low as 60.8 degrees are best when people pile on the blankets.

    Sleep is one of the most frustrating activities in many people's lives. Not getting enough affects mood and has long-term health consequences. Such concerns have spawned big industries of products and techniques to enhance sleep, from specialized mattresses to noise reducers and aromatherapy.

    Temperature is a big point of debate for couples. Women tend to raise the thermostat while men want to lower it. While researchers haven't focused on such differences, many companies have with products from mattress that promise zoned temperatures to apps that let you control heating.

    temperature control in bed Setting the thermostat to around 65 degrees Fahrenheit may help people fall asleep more easily and wake up refreshed, some experts say. Other research has found that room temperatures as low as 60.8 degrees are best when you pile on the blankets. Setting the thermostat to around 65 degrees Fahrenheit may help people fall asleep more easily and wake up refreshed, some experts say. Other research has found that room temperatures as low as 60.8 degrees are best when you pile on the blankets. "People tend to set their ambient house or bedroom temperature a little higher than is actually optimal for sleep," says Matthew Walker, a professor of neuroscience and psychology at the University of California, Berkeley.

    The body's core temperature needs to drop by about 2 to 3 degrees Fahrenheit to initiate sleep, Dr. Walker says. "If our core temperature is too high the brain cannot easily make the switch from being awake to being asleep, or create the best quality sleep."

    Core body temperature is the temperature of our heat-producing core, which is the brain and abdominal cavity. As the ambient temperature drops, so too does our core temperature. It usually reaches the lowest level in the early morning hours, before awakening.

    When treating insomnia patients, sleep experts will often ask about room temperature and advise patients who set their thermostat to 70 or 72 degrees to drop it, Dr. Walker says. For people who live in hot climates and don't have air conditioning he recommends minimal bed clothes, a light bed cover and open windows.

    During sleep, people's bodies naturally try to lose heat from the hands and feet, says Michael Gradisar, an associate professor and clinical psychologist at Flinders University in Australia. Put on socks if your feet are too cold, he suggests. And if you're too hot, try sticking your hands and feet out from under the covers.

    feet cold in bed If your feet are cold, putting on socks keeps the body from losing heat. But if you're too hot, try sticking your hands and feet out from under the covers. People's bodies naturally try to lose heat from the extremities during sleep. If your feet are cold, putting on socks keeps the body from losing heat. But if you're too hot, try sticking your hands and feet out from under the covers. People's bodies naturally try to lose heat from the extremities during sleep. A study published in October in the journal Current Biology that examined sleep patterns of preindustrial societies found temperature played a critical role. The 94-person study suggested "the daily cycle of temperature change, largely eliminated from modern sleep environments, may be a potent natural regulator of sleep," says Jerry Siegel, a professor of psychiatry at University of California, Los Angeles, and senior researcher on the study. The study looked at three groups living in tropical, natural environments.

    Dr. Siegel says the researchers were surprised to find that none of the study participants went to sleep near sunset or woke up at sunrise. On average they fell asleep three hours and two minutes after sunset and woke up before sunrise. They slept about one more hour in the winter than in summer.

    After gathering temperature information, Dr. Siegel realized the sleep period in the Hadza people of Tanzania occurred during the coldest part of the night. In follow-up studies involving groups in Namibia and Bolivia, he found the participants consistently woke up when the early-morning temperature stopped falling.

    "Temperature may have a much greater role in helping promote normal sleep than we previously thought," says John Peever, a professor in the department of cell and systems biology at the University of Toronto. He says specific brain cells located in a region called the hypothalamus sense temperature changes to control sleep.

    In a 2008 study in the journal Brain, a group of researchers in the Netherlands put 24 people in a thermosuit that allowed them to manipulate temperature by running water through the veins of the suit. They found that a 0.4-degree-Celsius (or 0.72-degree-Fahrenheit) increase in skin temperature—which allows the body to release more heat—led to fewer wake-ups and more slow-wave, or deep, sleep.

    Taking a hot bath before bed can improve and maintain sleep. ‘When you get out of the bath you cool down more quickly, which is what the body wants to do at bed time,' says James Horne, a neuroscience professor at Loughborough University in England. Taking a hot bath before bed can improve and maintain sleep. ‘When you get out of the bath you cool down more quickly, which is what the body wants to do at bed time,' says James Horne, a neuroscience professor at Loughborough University in England. "By dialing down the temperature of the body, the participants in the experiment fell asleep quicker, and they also obtain significantly deeper quality of sleep," says Dr. Walker, who wasn't involved in the study.

    Other experiments that varied the ambient temperature—decreasing it early in the night and increasing it in the morning—have shown similar benefits for improving and maintaining sleep.

    Taking a hot bath before bed has a similar effect. The hot water brings the circulating blood to the surface of the body, which is one of the quickest ways to drop core body temperature.

    bath before bed"When you get out of the bath you cool down more quickly, which is what the body wants to do at bed time," says James Horne, a neuroscience professor at Loughborough University in England. His research has found that young, healthy people have about 10% more slow-wave sleep when they take a warm bath before bedtime. He says soaking in water that is about 102 degrees Fahrenheit for 30 minutes in the early evening will improve sleep. A shower won't have the same effect, he says.

    The nonprofit National Sleep Foundation typically recommends room temperatures for sleep of between 60 and 67 degrees, says Natalie Dautovich, a professor of psychology at Virginia Commonwealth University who consults for the foundation. "We know that a cool bedroom is conducive to better sleep," she says.

    The group's 2014 poll of families found 18% of children and 35% of parents reported difficulty sleeping at least once over the past week due to a temperature issue. It is best to wear light, breathable clothing to bed, such as cotton, Dr. Dautovich says. And layers of bedding that can be easily removed are ideal.

    "Sometimes there are individual differences so if you sleep with someone else it can be helpful to have two different sets of bedding," she says.

    A New York City-based company, Eight, expects to have its Eight Sleep Tracker—in the form of a mattress cover—which allows couples to manage the temperature of the mattress separately through an app later this spring, says Massimo Andreasi Bassi, co-founder and chief technology officer of the company. A queen-size mattress cover, which uses sensors to track various sleep-related measures, will cost $249.

    Write to Sumathi Reddy at sumathi.reddy@wsj.com

    Combined with Organic Cotton and Organic Wool... our Natural Latex Mattress is as clean as it gets! UPS checks out what all these shipments from FloBeds are... a bed in a box! Talk about a hard days night! FloBeds invents the natural mattress you can change FloBeds... one of Barbara Barry's favorite things