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  2. The 3-2-1 rule is the expert-approved hack to falling and ...

    www.aol.com/news/3-2-1-rule-expert-020757765.html

    When you’re wrestling with a restless night, Breus recommends another method to get you back to sleep: the 4-7-8 breathing technique to slow the heart rate and relax you. Inhale for four seconds ...

  3. Here Are Cardiologist-Approved Ways to Lower Your Resting ...

    www.aol.com/cardiologist-approved-ways-lower...

    One of the most effective habits you can make to lower your heart rate is by exercising routinely and regularly, says Suzanne Steinbaum, M.D., cardiologist and spokesperson for the American Heart ...

  4. Heart rate - Wikipedia

    en.wikipedia.org/wiki/Heart_rate

    The American Heart Association states the normal resting adult human heart rate is 60–100 bpm. An ultra-trained athlete would have a resting heart rate of 37–38 bpm. [3] Tachycardia is a high heart rate, defined as above 100 bpm at rest. [4] Bradycardia is a low heart rate, defined as below 60 bpm at rest.

  5. Sleep - Wikipedia

    en.wikipedia.org/wiki/Sleep

    The human organism physically restores itself during sleep, occurring mostly during slow-wave sleep during which body temperature, heart rate, and brain oxygen consumption decrease. In both the brain and body, the reduced rate of metabolism enables countervailing restorative processes. [ 93 ]

  6. What Causes Hypnic Jerks (Sleep Starts)? - AOL

    www.aol.com/causes-hypnic-jerks-sleep-starts...

    This can cause daytime fatigue that can significantly affect your day-to-day life. For example, you may have a more challenging time working or attending school. Some people may be at risk of ...

  7. Sleep and metabolism - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_Metabolism

    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 ...

  8. Sleep and breathing - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_breathing

    Central sleep apnea syndrome. 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 ...

  9. Neurotransmitters: Roles in Brain and Body

    www.aol.com/lifestyle/neurotransmitters-roles...

    These fast-acting neurotransmitters adjust blood pressure, heart rate, breathing, and digestion. Your body’s release and response to epinephrine (also called adrenaline) usually increases during ...