Bradycardia is a slow heart rate -- fewer than 60 bpm. Your resting heart rate typically drops below 60 bpm when you're sleeping. Some athletes and young adults can have heart rates of 40-60 bpm as well. More seriously, bradycardia results from your heart being unable to pump well enough...
Heart rate is the number of times the heart beats each minute. Daily activities can change how fast or slow the heart beats – from a slow, steady beat while resting or sleeping to a higher rate during exercise. "There's a wide variation in what a normal heart rate can be depending ...
The occasional racing heart when sleeping is actually quite common and not normally something to worry about. However, if it is accompanied by dizziness and chest pains it could be the sign of a heart attack -- and you should seek emergency medical assistance. If your heart palpitations become...
There’s a good chance you may not know when your heart rate is at its lowest point of the day because your heart rate is theslowestwhile you’re asleep. A normal sleeping heart rate can range from 40 to 60 BPM, butsome studieshave found a slightly wider normal range of 36 to 65 B...
A normal heart has a normal "irregularity". For example, your heart rate is 60 at the moment, which doesn't mean your heart beats once a second. The actual situation may be that the interval between two uninterrupted heart beats is 1.12 seconds, and another interval between two uninterrupted...
It’s normal at night, especially when stress is keeping you up. 1 For example, set the comfortable temperature and turn off screens 30 minutes before bed. Here are more easy ways for you. Test your pillow (枕头). If you bought your pillow in 2020, it’s already old. 2 You’d ...
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REM sleep was first identified in 1953 after scientists observed that sleeping infants had phases of rapid-eye movements that alternated with less active periods of sleep. The notion of REM sleep was received with skepticism when it was initially proposed. Over the following decades, scientific adva...
The fact is, many of us have become so accustomed to settling for a subpar sleep that we may not even know what “healthy” sleep actually looks like. If you’re not sure what a “normal” night of rest really is or how you can achieve it, read on for all the info you need abou...
Something else I have noticed when I am checking my heart rate is that it changes slightly depending on whether I am breathing in or out. Whenever I inhale, my heart speeds up for a couple of seconds and then returns to normal. I figure this is because the oxygen going into my lungs ...