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A popular pastime on long-haul flights — drinking alcohol before dozing off to sleep — may present health risks even to young and healthy passengers, according to a new study. The combination of alcohol consumption, sleep and the low oxygen concentration at high altitudes was found to challenge the cardiovascular system and extend the duration of hypoxaemia, or low levels of oxygen in the blood. Inflight sleep already exacerbates the fall in blood oxygen saturation caused by the reduced atmospheric pressure in aircraft cabins, the study states. Under the added effect of alcohol consumption, lab tests showed that participants' blood oxygen saturation decreased further, their heart rate increased and deep sleep was reduced. Even "young and healthy participants" suffered from "clinically relevant" desaturations and heart rate accelerations during sleep, the study found.
Persons: Eva, Maria Elmenhorst Organizations: German Aerospace Center's Institute of Aerospace Medicine, Aachen University, NBC News
CNN —The “fasten seat belt” sign is off, and the time for a nap on your flight is on. On the nights with alcohol, researchers saw a lowered amount of oxygen and an increased heart rate, the study showed. Alcohol gets you sleep — but not good sleepThe study authors didn’t just collect data on heart strain. Alcohol may help you get to sleep, but the quality isn’t as good as sleep while sober, he said. “Many people have witnessed when people drink heavily, their snoring and the sleep apnea is much more severe,” Freeman said.
Persons: , Eva, Maria Elmenhorst, Andrew Freeman, didn’t, , Freeman, ” Freeman, Shalini Paruthi, Paruthi, “ I’ve, , Shalini Organizations: CNN, DLR Institute of Aerospace Medicine, Jewish Health, Alcohol, Saint Louis University School of Medicine, American Academy of Sleep, Foods Locations: Cologne, Germany, Denver
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