(Reuters Health) - Seniors with nighttime breathing issues like snoring or sleep apnea often have high blood sugar and may be almost twice as likely as sound sleepers to develop type 2 diabetes, according to a recent study.
Findings from some 6,000 U.S. adults who were followed for up to 10 years suggest that doctors may want to monitor blood sugar in older patients with sleep-disordered breathing, researchers say.
“Recent evidence suggests that diabetes patients have a higher prevalence of sleep disturbances than the general population,” lead author Linn Beate Strand said by email.
“However, less is known about whether symptoms of sleep-disordered breathing increase the risk of developing type 2 diabetes later, especially in older adults,” said Strand, of the Beth Israel Deaconess Medical Center in Boston.
Sleep apnea involves frequent episodes during sleep when the airway closes and people stop breathing entirely. Often breathing resumes abruptly with a loud snort or choking sound, according to the National Heart, Lung and Blood Institute.
These repeated breathing interruptions, which can occur up to 30 times per hour, have been linked to daytime sleepiness and increased risk of high blood pressure, heart attack, stroke, heart failure, irregular heartbeat, diabetes and death.
Most previous studies on sleep disorders and diabetes have focused on young or middle-aged adults, the researchers point out in the journal Diabetes Care. But, Strand told Reuters Health, sleep apnea and snoring become more common with age.
The more disturbed-breathing symptoms people had during sleep, the greater their diabetes risk.
Insomnia symptoms, however, were not consistently linked to the risk of diabetes.
“The findings suggest that improving sleep quality in older adults may reduce their risk of developing diabetes or may reduce the severity of diabetes in those who are already affected,” Eve Van Cauter, who was not involved in the study, told Reuters Health by email.
Van Cauter, a sleep and metabolism researcher at the University of Chicago, noted that although sleep disturbances can cause problems for nearly all aspects of health, they’re often ignored when treating diabetes.
“Monitoring blood sugar levels in older adults with sleep disturbances may help identify individuals potentially at risk to allow earlier interventions” before they develop full-blown diabetes, Strand said.
Getting good sleep is as important as nutrition and exercise to remain healthy during the aging process, Van Cauter noted. “People must insist that their doctors include sleep hygiene and sleep health in their evaluation and recommendations,” she said.
SOURCE: bit.ly/1VcPG1o Diabetes Care, online September 17, 2015.
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