Search results
Results from the WOW.Com Content Network
"This hormonal surge increases blood pressure and heart rate and can put an ongoing strain on your cardiovascular system, causing angina or a heart attack." That's not the only thing it does.
Sleep apnea (or sleep apnoea in British English; /æpˈniːə/) is a sleep disorder characterized by pauses in breathing or instances of shallow or infrequent breathing during sleep. Each pause in breathing, called an apnea, can last for several seconds to several minutes, and may occur 5 to 30 times or more in an hour.
As sleep time decreased over time from the 1950s to 2000s from about 8.5 hours to 6.5 hours, there has been an increase in the prevalence of obesity from about 10% to about 23%. [2] Weight gain itself may also lead to a lack of sleep as obesity can negatively affect quality of sleep, as well as increase risk of sleeping disorders such as sleep ...
The brain concentration of glycogen increases during sleep, and is depleted through metabolism during wakefulness. [97] The human organism physically restores itself during sleep, occurring mostly during slow-wave sleep during which body temperature, heart rate, and brain
Because of the heart’s orientation and “suspension” in the chest, sleeping on the left side can cause subtle changes in the heart’s position, says Leonard Ganz, M.D., cardiologist and ...
“So you can do things that will briefly lower your heart rate—like deep breathing and meditation—but if you are trying to lower your overall heart rate over a longer period of time, the ...
In a study focusing on the impacts of chronic stress on the heart, it was found that during times of chronic stress, the body hyperactivates the sympathetic nervous system which leads to changes in heart rate variability. [22] Due to these changes in heart rate variability, which can harm the capabilities and strength of the heart, the risk of ...
Conversely, more sleep regularity was protective against heart attack and stroke. A new study found an increased risk of cardiovascular events in people with irregular sleep patterns, even when ...