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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Should I be worried about these heart rate readings?

14 replies

Radiotwointhecar · 30/06/2025 11:20

I recently acquired a smart watch to track my steps as I’m in a calorie deficit and currently trying to lose weight. So far I’ve lost a stone and 1.5lbs but I’m still in the overweight category, I do between 7,000 and 10,000 steps a day on average but I’m by now means ‘fit’ I don’t think.

I’ve been wearing it at night and my heart rate dropped briefly to 44bpm last night around 3am! Apparently my usual resting heart rate during the day (when I’m sitting relaxed watching tv etc) is around 52! But they’ve averaged it out to 59 taking into account all my readings so far.

I’m not sure if I should be concerned. I’m in a panic that something will happen to me in the night, I’m scared to go to sleep now!

Should I be worried about these heart rate readings?
OP posts:
Redpeach · 30/06/2025 11:47

Im not sure but i thought a low heart rate was better than too fast

TotallyAddictedToCoffee · 30/06/2025 11:50

Mine's been as low as 35bpm when I'm asleep, I had a 24hr monitor and was told it's fine

If you're worried, speak to your GP

beetr00 · 30/06/2025 11:52

@Radiotwointhecar

this may allay your fears

Challengedbutenlightened · 30/06/2025 11:54

Smart watches are notorious for not being accurate that being said mine is, I have an ILR, and my resting rate is what you describe. I’m under 2/3 cardiovascular teams they’re not concerned as this is normal for me. If you’re worried speak to a GP first. We have a family history of SADS

Radiotwointhecar · 30/06/2025 12:34

I have no family history of SADs. The only heart related issue is my dad who has atrial fibrillation.

OP posts:
Radiotwointhecar · 30/06/2025 12:36

@Challengedbutenlightened

sorry what’s an ILR?

OP posts:
Rattai · 30/06/2025 12:37

My heart rate is 55bpm usually
It has dipped to below 50 sometimes. Never thought to worry about it.

Notreallyme27 · 30/06/2025 12:37

What’s your normal resting heartbeat? Is this a sudden new thing? If you’re losing weight and getting fitter your heart rate will lower. My usual is around 55 and can drop to 40 overnight. Doctors are always very impressed!

annzen · 30/06/2025 12:40

I have Afib and was advised that a low heart rate even in the 30s at night is not a problem. However, I was also advised that a low (50ish or lower) during the day needs checking if it doesn't increase on activity, which mine does. I am on beta blockers which does reduce the heart rate though.

I am obviously not a cardiologist, but I don't think you have any need to worry with 44 bpm at night. In fact it may have been that rate or lower prior to you getting the watch!

annzen · 30/06/2025 12:41

Radiotwointhecar · 30/06/2025 12:36

@Challengedbutenlightened

sorry what’s an ILR?

I think it's an implantable loop recorder which is placed under the skin near the heart to get a constant reading, it can then be transmitted automatically to the cardiac team if necessary. I'm being advised to consider one for myself!

Toddlerteaplease · 30/06/2025 12:44

As long as it comes up when you stir it’s fine.

Radiotwointhecar · 30/06/2025 12:58

My hear rate does increase on activity.

OP posts:
Challengedbutenlightened · 30/06/2025 13:03

annzen · 30/06/2025 12:41

I think it's an implantable loop recorder which is placed under the skin near the heart to get a constant reading, it can then be transmitted automatically to the cardiac team if necessary. I'm being advised to consider one for myself!

Yes, I’m on round 2 now, been told they'll keep replacing them. Procedure itself is ok and recovery is quick.

OP if you’re concerned there is absolutely no harm in getting checked out, better to err on caution xx

NeedToChangeName · 30/06/2025 13:08

OP, I'd be wary of taking medical advice from well meaning non medically qualified strangers who don't know your medical history

I've seen shocking legal advice offered here, no doubt in good faith but totally inaccurate

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