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Newsweek
06-08-2025
- Health
- Newsweek
What Happens When You Drink Coffee at Night
Based on facts, either observed and verified firsthand by the reporter, or reported and verified from knowledgeable sources. Newsweek AI is in beta. Translations may contain inaccuracies—please refer to the original content. Bad news for people who work late shifts—as drinking coffee at night may lead to impulsive behavior, a new study has warned. Plenty of people will declare they can't start their morning without a cup of coffee to wake them up—but what happens if you drink it when your brain should be unwinding in preparation for sleep? A study from researchers at the University of Texas at El Paso, now published in iScience, aimed to discover exactly what caffeine does to your brain at night, and whether there was any noticeable difference to drinking it at different times of the day. Paper author and biologist Paul Sabandal said in a statement that due to caffeine's popularity, he and his colleagues "wanted to explore whether additional factors influence its impact on behavioral control." It is estimated that as many as 85 percent of Americans may drink coffee daily—with more than two billion cups thought to be drunk each day around the world. Stock image of a man drinking coffee at night while working. Stock image of a man drinking coffee at night while working. Tirachard/Getty Images Researchers used a fruit fly species—which has genetic and neural parallels with humans—to study the relationship between coffee and behavior, conducting a series of experiments introducing caffeine to the flies' diets. These included different caffeine doses, some at night and some during the day, and in combination with sleep deprivation. Researchers then tested the flies' reactions in response to strong airflow, in particular their ability to stop movement, which the insects would usually do when exposed to wind or strong airflow. Lead researcher Erick Saldes revealed in a statement that the flies who consumed caffeine at night were "less able to suppress movement, displaying impulsive behaviors such as reckless flying despite these aversive conditions." Interestingly, this effect was not seen in the flies that ingested caffeine during the day. Female flies also showed significantly greater nighttime caffeine-induced impulsivity than males—but as flies do not have the human hormone estrogen, it suggested other genetic or physiological factors were driving this heightened sensitivity. The team has warned that the study's findings could have negative implications for those who work late shifts, such as health care workers and military personnel, who are more likely to consume caffeine at night. Do you have a tip on a science story that Newsweek should be covering? Do you have a question about coffee? Let us know via science@ Reference Saldes, E. B., Sabandal, P. R., & Han, K.-A. (2025). Nighttime caffeine intake increases motor impulsivity. iScience, 28(8).
Time of India
06-08-2025
- Health
- Time of India
Making impulsive decisions? THIS beverage you are drinking at night is to blame for!
A recent study from the University of Texas at El Paso reveals that nighttime coffee consumption can increase impulsive behavior. Researchers found that fruit flies consuming caffeine at night exhibited reckless actions, unlike those consuming it during the day. Females also showed greater caffeine-induced impulsivity, highlighting potential implications for shift workers and others who consume coffee at night. Everything you eat and drink has a profound effect on your health. Sometimes it can even affect your mental health and behaviour. Yes, even an impulsive behaviour you may exhibit at times could be connected to your diet. A recent study has shown that drinking a certain beverage at night can make you reckless. A new study by researchers from the University of Texas at El Paso found that drinking coffee at night increases impulsive behaviour. The findings of the study are published in iScience . Coffee can become the villain The new study found that drinking coffee at night to stay alert can negatively affect your mental health. This nighttime routine can increase impulsive behaviour, potentially leading to reckless actions. The researchers examined how drinking coffee at nighttime impacted behaviour. They used Drosophila melanogaster , the fruit fly species, a powerful model to study complex behaviors due to its genetic and neural parallels with humans. They found that this nighttime routine led to impulsivity in fruit flies. 'Caffeine is the most widely consumed psychoactive substance in the world, with about 85% of adults in the U.S. using it regularly. Given caffeine's popularity, we wanted to explore whether additional factors influence its impact on behavioral control,' Paul Sabandal, Ph.D, research assistant professor in UTEP's Department of Biological Sciences, said in a statement. The study To understand the effects of coffee on behaviour, the researchers introduced caffeine in different amounts, at night and during the day, and sometimes along with sleep deprivation to the flies. The researchers examined impulsivity by measuring the flies' ability to suppress movement in response to strong airflow, a naturally unpleasant stimulus. 'Under normal circumstances, flies stop moving when exposed to strong airflow. We found that flies consuming caffeine at night were less able to suppress movement, displaying impulsive behaviors such as reckless flying despite these aversive conditions,' Erick Saldes, a science research specialist at the University of Illinois College of Medicine Peoria and a former doctoral student at UTEP, noted. The researchers found that flies that consumed caffeine during the daytime didn't act recklessly. They also noticed that, compared to males, females exhibited significantly greater caffeine-induced impulsivity. Trump's Niece Drops Health Bombshell: 3 Troubling Signs About President's Health | WATCH 'Flies don't have human hormones like estrogen, suggesting that other genetic or physiological factors are driving the heightened sensitivity in females. Uncovering these mechanisms will help us better understand how nighttime physiology and sex-specific factors modulate caffeine's effects,' Kyung-An Han, Ph.D, Biological Sciences Professor said. The researchers also emphasized how similar negative implications can affect shift workers, health care, and military personnel who consume coffee at night, particularly females, to stay awake.
New Indian Express
10-06-2025
- Sport
- New Indian Express
Chennai girl makes a smashing hit in the US
To taste this milestone, Krishna had to go through a fair bit. Be it getting body shamed for her 'muscular build,' suffering from bad mental health, for the better part of the past decade, Krishna had endured a lot. However, she was determined, and the rewards came along with time. 'Firstly, I learnt that life begins at the end of comfort. After I moved to Jamaica with track and field coach Michael Vessel (from Tenvic Sports, Guntur, Andhra Pradesh) to train further, I missed out on opportunities for scholarships with throws being one centimetre short. That's when I worked really hard and earned myself a full academic and athletic scholarship from the University of Texas at El Paso (UTEP),' she shared. After a year at UTEP, Krishna moved to UNLV, where the coaches did not just guide, but they held Olympic heritage. Krishna describes her head coach and former Olympic gold medallist in 100m, Carmelita Jeter, as someone who preaches independence. 'Their backing has helped me so much, and has made me a better person,' she said. It has helped in the way Krishna has performed so far in 2025. Earlier, she broke the national record for indoor shot put with a throw of 16.03m at the Mountain West Indoor track and field championship in Albuquerque, New Mexico. She is keen on continuing her purple patch. 'After the outdoor meet in Eugene, I will be working to get myself a spot in both the Commonwealth Games and Asian Games next year,' she added. Krishna has expressed her desire to represent India soon after she meets her academic commitments. 'That is the goal,' she added.
Yahoo
09-06-2025
- Business
- Yahoo
City to activate rideshare hub by UTEP, Cincinnati Entertainment District
EL PASO, Texas (KTSM) — Signage designating a new rideshare hub will be installed on Monday, June 9, on the 200 block of W. Baltimore Drive, near the University of Texas at El Paso (UTEP) and the Cincinnati Entertainment District, the City of El Paso said in a news release. This initiative, which is part of the City's Social City Assessment Plan, was designed to improve public safety and expand transportation options in the Kern Place neighborhood, the City said. The City said the new rideshare hub is 'well-lit and equipped with security cameras, providing a safe and clearly designated location for rideshare and taxi services to pick up and drop off passengers.' The hub will be operational on Monday afternoon, immediately following the installation signage, the City said. The City said key benefits of the hub include: More organized and efficient passenger pick-ups and drop-offs; Reduced congestion caused by drivers circling the area or blocking traffic lanes; Enhanced safety through ride verification, helping riders ensure they are entering the correct vehicle. 'City officials encourage residents and visitors to begin using the Rideshare Hub, particularly those planning to attend the Coldplay concert at the Sun Bowl this weekend,' read the news release. Copyright 2025 Nexstar Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
The Star
14-05-2025
- Business
- The Star
Businesses upbeat over Sino-US tariff respite
Business groups and economists have welcomed the tariff adjustment measures announced by China and the United States on Monday, expressing the hope that the 90-day triple-digit tariff respite will allow both countries to further de-escalate trade tensions. While this provisional agreement marks a notable development in China-US trade relations, analysts warned that business communities should maintain a measured approach, rather than be overly optimistic, as uncertainties still surround the sustainability of the deal and future trade negotiations. According to a joint statement released by the world's two largest economies after a high-level meeting held over the weekend in Geneva, Switzerland, the US has agreed to slash its 145 percent tariffs on Chinese imports to 30 percent, while China has agreed to lower its tariffs on US goods to 10 percent from 125 percent. Thomas Fullerton, an economist and a professor of economics at the University of Texas at El Paso, told China Daily that the 90-day triple-digit tariff respite "will help reduce the odds of a deep 2025 business-cycle contraction in both (the US and China), as well as in Latin America and other regions". "International trade volumes will temporarily accelerate as companies place merchandise import orders that had previously been sidelined," he said. Pesitro Healthcare Products Co, a manufacturer of oral care products based in Yangzhou, Jiangsu province, and a longtime supplier to Walmart in the US, expects a significant increase in orders from North American customers. "People are accelerating their purchases because no one can predict future tariff dynamics," said Mu Longsheng, the company's marketing director. "The looming possibility of tariffs rising to 54 percent after 90 days has created additional urgency among North American buyers to secure inventory while rates are still low." "The return of the US market is largely attributed to China's resolute countermeasures. Standing firm has earned us the respect and the orders we deserve," Mu added. Jake Colvin, president of the National Foreign Trade Council based in Washington, DC, said the temporary agreement "cools the rapidly escalating trade war and gives some reprieve to US businesses and consumers". "However, a temporary pause is just that," he said in a statement. "We urge the administration to continue engagement with China to come to a lasting agreement that will allow American companies to make long-term plans in a more stable and certain environment." US President Donald Trump told reporters on Monday that he was certain a long-term deal would be reached. If it is not, the tariffs will not go back to 145 percent after the 90-day pause ends, but "will go up substantially", he said. Long battle ahead Analysts expect a long-drawn-out battle ahead, because they believe the gaps between China and the US on existing tariffs and nontariff barriers have further complicated the negotiations. Gao Lingyun, a researcher at the Chinese Academy of Social Sciences' Institute of World Economics and Politics, said that despite the progress made in tariff reduction, the current overall duty rates continue to weigh heavily on companies and consumers on both sides of the Pacific Ocean. Resolving this hefty tariff issue will, therefore, remain a key priority during upcoming negotiations, he said. More important, the discussions are expected to expand into the realm of nontariff barriers. Areas such as investment regulations, market access and the supply of critical raw materials are likely to feature prominently on the agenda, he added. Gao noted that both China and the US have long-standing concerns in these areas, and addressing them will be crucial for achieving a comprehensive and durable trade agreement. Luo Zhiheng, chief economist at Yuekai Securities, said, "The results of any future negotiations will ultimately be determined by how each side leverages its power and economic resilience." The outcome of the talks represented a notable shift from the "maximum pressure" approach that had characterized the previous China trade policy of the US, he said. When confronted with China's firm countermeasures, the effectiveness of such unilateral actions proved less substantial than initially projected, leading to a necessary recalibration of the US' negotiating position, Luo said. - China Daily/ANN
