• David Steuer

More research ties sugary drinks to poor sleep

Updated: Mar 28, 2019



Adults who sleep no more than five hours a night are more likely to be heavy pop drinkers than people who get more rest, a U.S. study suggests.

Pop is the main source of added sugar in the American diet, researchers note in the journal Sleep Health. Soda and lack of sleep are both independently associated with obesity, and sugar-sweetened beverages are also linked to rising rates of heart disease and diabetes, the authors write.

Researchers examined survey data on almost 19,000 adults and found about 13 per cent of participants slept five hours or less a night. What set these poor sleepers apart is they consumed 21 per cent more sugar-sweetened drinks than adults who got a healthy seven to eight hours a night.

Further analysis of the results by type of drink found the main association was with caffeinated, non-diet soft drinks.

“The most likely way in which soda consumption can negatively affect sleep is through ingesting the caffeine typically found in soda because caffeine blocks the binding of a particular chemical in the brain responsible for us feeling tired,” said lead study author Aric Prather of the University of California, San Francisco.

“With respect to sugar, it is probably more likely that a lack of sleep increases one’s drive for consuming sugar than it is that sugar is negatively affecting our ability to sleep,” Prather added by e-mail.



The study doesn’t prove that sugar or caffeine directly cause poor sleep, Prather noted.

Over all, about 23 per cent of survey participants said they slept six hours a night, while 57 per cent said they slept between seven and eight hours and 8 per cent reported getting at least nine hours of sleep.

Those who slept no more than five hours a night consumed 26 per cent more regular pop than the seven-to-eight-hour sleepers, and 33 per cent more caffeinated drinks, researchers found.

Compared with heavier sleepers, people reporting no more than five hours a night were more likely to smoke and be sedentary, and to be black, poor, unmarried and to lack a high-school education. Poor sleepers were also more likely to have chronic health problems or diagnosed sleep disorders.

Adults who reported six hours of sleep a night drank 14 per cent more pop and 9 per cent more caffeinated drinks than healthy sleepers, the study also found.

There wasn’t a statistically meaningful connection between drinking water, tea, coffee or 100-per-cent fruit juice and getting too little sleep.

Limitations of the analysis include the reliance on adults to accurately recall and report how long they slept and how much pop and other beverages they drank, the authors note.

“It has been relatively well-established that people who don’t get enough sleep and those whose sleep is of poor quality are more likely to gain weight and become obese,” said Michael Grandner, director of the sleep and health research program at the University of Arizona College of Medicine in Tucson.

“We also know that part of the reason for this is that their sleep patterns may be leading them to a more unhealthy diet, which may be causing the weight gain,” Grandner, who wasn’t involved in the study, added by e-mail. “But up until now, there really wasn’t a specific focus on soda consumption, even though we know that soda is a leading driver of obesity.”

Cutting back on soft drinks may not guarantee a better night’s sleep, but it’s still a good idea, said Marie-Pierre St-Onge, a nutrition researcher at Columbia University in New York who wasn’t involved in the study.

“Ideally, reducing soda consumption would be the optimal goal as it would benefit other health factors, in addition to helping with calorie control and weight management,” St-Onge said by e-mail.

“At this time, there are no data to quantify if reducing soda intake could improve sleep and if it did, what aspects of sleep would be improved and by how much,” St-Onge added. “But individuals with poor sleep who consume sodas should definitely cut back on soda consumption to see if it helps them to sleep better.”

#sugar #sleep #diabetes #brain

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This content is strictly the opinion of Dr. David Steuer and is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of medical advice or treatment from a personal physician. All readers/viewers of this content are advised to consult their doctors or qualified health professionals regarding specific health questions. Neither Dr. Steuer nor the publisher of this content takes responsibility for possible health consequences of any person or persons reading or following the information in this educational content. All viewers of this content, especially those taking prescription or over-the-counter medications, should consult their physicians before beginning any nutrition, supplement or lifestyle program.

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