Weird heart rate increase during sleep

[FredMom]

I've had my alta hr for 2 months and am now a bit addicted to checking out my sleep and heart rate graphs every day 🙂  Last night there was an oddity that I wonder if others have happen. During sleep my hr is pretty much always in the 60's with slight fluctuations...my resting hr is always between 67-71. But last night, just after falling asleep, the hr graph shows my rate going up from 60's into the 80's and stayed there for over 30 minutes. The other thing I noted is that during that period the detailed hr graph only gave readings every 10 minutes rather than every 5 minutes. After that, back down into 60's for the whole night. I figure the only reason for an increased hr in sleep would be REM/dreaming, but sleep chart showed me in a combination of deep and light sleep during that time, with a few 30 second wake times. Anyone experience this before?

[SebWotan]

 I do experience spikes when sleeping sometimes. I attribute them to the tracker moving a bit and the HR reader losing signal. Sometimes I do have a hole of 15-30 minutes. If this does not happen again then this was likely a glitch. 

But just to test: if you modify the sleep record and add one minute, just so that it computes the stages again, does the HR graph changes ? 

Also, are you taking any medications ?

[FredMom]

I tried your suggestion, and sleep stages didn't change at all. No medications! I can only conclude that for the first time since tracking my sleep, my heart must have mysteriously sped up by 15-20 bpm and stayed that way for over 30 minutes  I also figure that since only half of the five-minute readings were tacked in that period, my heart rate might have been 'wonky' in other ways during that time! I have notice now and then if experiencing the odd heart palpitation/skipped beat during the day, if I check tracker it won't give a reading (although I've never seen gaps during the day). I have a history of tachycardia that was fixed a few years ago by ablation...so I don't like to see odd patterns like this! I guess at least it wasn't super high. (I wonder what the tracker reads for folks with A-fib episodes?)

[SebWotan]

Yes it does look like this is a real episode and not a glitch. My questions
about medications was some have some side effects during sleep (I have
night sweats which I suspect are due to one medication) but you eliminated
that hypothèse too.
I would suggest monitoring and go see your doctor if it happens again.

[J3ff]

This happens to me once in a while and it's usually associated with either alcohol consumption, or recovering from a day out in the hot sun, lots of exercise, or dehydration. Also, though, spikes in heart rate while sleeping could be a sign of sleep apnea, if it's a regular thing.

[CCputerguy]

I have a Blaze and track my heart rate on a daily basis. Saturday afternoon I was imbibing in numerous adult beverages to a point that I normally do not participate in. It was a family gathering. I went to bed at my normal time and fell right to sleep. 

However when I awoke Sunday morning, I noticed that my heart rate, which normally is between 55-60 during sleep, was between 88-95 all night long. It decreased after I woke and was up for 15 minutes, to more normal rates.

The only factor that I could blame this event on was my excessive alcohol consumption the previous day.

Last night's heart rate was in it's normal range of 55-60 BPM so it looks like this was a temporary thing based on an abnormal event in my life.

[FredMom]

Yes, although the spikes I mentioned in original post were not related to consuming alcohol, I have noticed that my heart rate during sleep is significantly affected by having only two drinks early on in the evening - which is pretty surprising, but has happened many times! If I have two beer even at 5:00-6:00 pm, and go to sleep at midnight, my heart rate overnight (at least for the first few hours of sleep) is easily bpm higher than normal!  I have wondered if others have noticed such a big difference with only a small amount of alcohol...?

[Jlc76]

Yes, for me now in my early 40s 2 drinks can cause my sleeping heart rate to be at least 10 bpm above normal which is usually mid 50s. If I drink wine the effect is less than beer and spirits or mixed drinks are the worst often causing my hr to be in the 70s or even 80s during sleep. The magic number is two drinks, when I have 3 it’s a miserable night. One drink very early is likely to have no effect. I’m so sensitive to heart rate and I sleep so poorly that I go weeks without drinking now, then I usually start having them a few times a week but it always starts to mess with my sleep and hr. I’m at the point where quitting alcohol seems like the best solution. I truly think that it’s probably not good for us despite some studies showing wine can be protective for our hearts, it’s probsbly some other factor.

[FredMom]

I agree, the miserable effects of even a couple of drinks on my heart rate/sleep take any 'fun' out of it ! 😞

[BjamDuke]

During sleep, I’ve had 11 heart beat spikes over the past 40 days. They last a few minutes to 20 minutes and spike up to 120 to 144 bpm, but last night I had a 3 minute spike of 178 bpm. Way higher than my max heart beat of 158. Possible contributing factors for me are: sleep apnea, 2 beers last night, levothyroxine, and increased stress. I think it may be time to see a doctor. Thanks for catching this Fitbit. 

[CCputerguy]

I would say that you definitively need to see your doc and don't put it off. This is a serious event that needs to be checked out ASAP.

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[MichelleCoo]

Yes. Mine was up 90-100 for 10 hours. I told my dr. They did a 24 hr monitor and all was well. At the beginning I did feel my heart racing but then I felt better. I do have autoimmune hypothyroidism. Must have been my body destroying my thyroid according to my dr. Maybe it’s your Fitbit but it could be something else. If it keeps happening I would at least run it by your dr. 

[Kitty0717]

Yes.. Usually just before I need to wake up & urinate.. Body fluid increase can

 make bp & pulse rise slightly. Normal pulse is 60-100. Even while sleeping... Keep track of 'if' you got up around that time..stress, caffeine, sleep apnea and arrythmias can all be related.. If concerned really, call your doc 😉 hope this helps.. 

A nurse

[MichelleCoo]

Thanks for the response. I woke up the other morning and my heart was
racing again. I was able to get into my dr while it was still happening and
he did an ekg which showed that I have junctional rhythm so off to a cardio
electrophysiologist.
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[Kitty0717]

Good news to get that managed! So glad they were able to catch it live!! Best wishes!

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[JayLaj]

I noticed your post about your heart rate jump into the hundred60s while sleeping. I have an Apple Watch and I’ve noticed this happen a few times here and there as well usually on the nights that I ate something within three hours of going to bed. But I would like to know what your update is how is your heart doing have you been diagnosed with anything

[CCputerguy]

You know, I'm doing great. The increase in heart rate at night didn't seem
to affect me in any way other than increase my body temp.

Sometimes would wake up with the sweats. Not real bad but noticeable.

I'm just slightly overweight (about 10 pounds maybe) and don't have any
other health issues.

I'm practicing all the safe methods to prevent infection from the COVID-19
virus right now and have been for the last 6 weeks.

Enjoying life as much as possible right now.



Good luck to you and stay safe



Gene

[MichelleCoo]

I was diagnosed with AVNRT. It’s an arrhythmia that is benign. Sometimes
there is a trigger and sometimes not. So far I can’t seem to find one.
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[JayLaj]

If you do not mind me asking what were your major symptoms like what is it
that would take place? Do you have any ECG readings that I can look at? I
do not have access to a doctor but I have a small ECG device and I
currently have a weird arrhythmia that just happen sometimes but I can’t
figure out what’s causing it completely. Sometimes I think it just might be
when I have a full stomach or when I eat sugar or carbs. I get weird spikes
when I’m sleeping where I will be at 45 to 55 BPM and then suddenly one 120
150 or 200 ppm ranging from three minutes to a ten minute episode and then
right back to a normal heart rate . did you ever have an super ventricular
attack ? where your heart just suddenly started beating very hard and fast ?

[CCputerguy]

Nope nothing like that occurred with me. I don’t have any heart problems except for Wolf Parkinson White syndrome which is minor in my case and has no effect on my daily activities. No ECG readings, my heart rate is normally around 112/70. Some exceptions as when I might drink a cup of coffee or something. The only time I notice my WPW is I might suddenly be short of breat and it only lasts for a minute or so. Passes very quickly.

Gene