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Tachycardia While Sleeping-It Wakes Me Up


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I search for some posts on this topic and thought I'd put up a new one because I have a few questions...For the past few weeks I have been either taking a nap or sleeping for the night and I wake up nauseous, sweating, and having palpitations/hr. around 100 plus bpm. Im wondering what the cause is. I talked to my cardio about it and he believes it is a sinus tachycardia; I asked whether my bp could be dropping at night, but both him and the autonomic specialist don't believe so, they said it's rare that the bp would drop while laying down.

For those of you who have the tachycardia waking them up at night what medication has helped. In the past I was on Toprol XL but my bp was lower than it already is while taking that med. Just wondering what has helped for those of you out there in the same boat....Thank you in advance for your advice, etc. :)

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I hate when that happens. I think it's not so much a drop during the night as just the normal lower blood pressures you have during sleep falling slightly into the too low range. That's all it takes for a burst of adrenaline though, and resulting tachycardia, getting jolted awake, etc. I always eat something super salty before bed, that usually works.

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Ugh, I know exactly how you feel and it is awful. What terrible way to wake up in the night. This resolved after I started taking my ssri, celexa, now I sleep soundly. I hope you find something that works for you, in the mean time, stay strong!

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My BP drops in the supine position - which is one of my main symptoms that makes starting my day so difficult. I wake up with 80/50 and tachy as my heart tries to push that blood to my head and organs. Staying hydrated helps, gets worse around my menstrual cycle. Before I go to sleep I take sea salt and swallow with Gatorade. It's been much better with that combo. Good luck

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I definately experience this too. When I turn/move in the bed during the night im woken by my heart racing. A recent 24 hour bp monitor showed my BP steadily dropping overnight to lowest 81/39 at about 5am.

A tilt table test yesterday showed that although my bp does not drop majorly with postural change, there was huge variability between my heart rate and BP. It was explained that my heart is working very hard all of the time to stabilise my bp.....as soon as my heart started to slow down my BP would begin to drop and my heart would fly again to keep it up.

I assume when im asleep at night and blood flow is reduced without any movement my heart is working extremely hard to pump blood around....seems its not quite as successful at it as during the day :D and i wake up like ive run a marathon!!!

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It is also important to understand that your body is doing a lot of physiological functions while you are sleeping like filtering through the kidneys to maintain acid-base balances within the body. If you aren't sleeping well, these functions can be interrupted IMHO. It seems that sleeping enough played/plays a huge role in how I feel. Whether the chicken or the egg, those fast hr's are using adrenaline--not to condusive to sleep.

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  • 9 years later...

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