Guide

Oura ring for women: what your sleep, HRV and resting heart rate mean

An Oura ring tracks your sleep, temperature, heart rate and heart rate variability (HRV) through the night. The numbers mean most when you compare them with your own usual range, not with someone else's. In a study of 92,457 adults, age and sex together explained only about 6% of the difference in resting heart rate between people.

This guide covers what the ring tracks, typical numbers for women from published studies, why your own range matters more, what research reports about cycles and wearable numbers, and what to do on a morning when they're low.

Seven days to see if it fits your week. If it doesn't, cancel before the trial ends and you pay nothing.

Last checked: 13 October 2026

What the ring tracks

Through the night, Oura records your heart rate, heart rate variability, skin temperature changes and movement, and turns them into sleep and readiness scores. Two numbers people ask about most:

• Resting heart rate: how many times your heart beats a minute while you are at rest. Overnight, it is usually at its lowest.
• Heart rate variability (HRV): how much the time between heartbeats varies. Oura reports a measure called RMSSD, in milliseconds.

What's a typical HRV for women?

The clearest published numbers for women by age come from a German study of 782 healthy women, each measured with a 5-minute resting ECG lying down (Voss et al, 2015). The averages fall with age, with the biggest drop between the 35 to 44 and 45 to 54 groups:

Read these as general reference numbers, not targets. The spread (SD) is about half the average in every group, so healthy women sit across a wide range. A 5-minute lab ECG and an overnight ring average are also different measurements, and HRV norms from different methods aren't interchangeable (Shaffer and Ginsberg, 2017). Don't compare your ring's number with this table one for one. The same study found little difference between women and men on these measures.

What's a normal resting heart rate for women?

For adults in general, a resting pulse of 60 to 100 beats a minute is the usual range (MedlinePlus). In a study of 92,457 adults wearing fitness trackers, 95% of the 57,836 women had an average resting heart rate between 53 and 82 beats a minute (Quer et al, 2020). Women's averages were a little higher than men's at every age, and rose until about 50.

Why your own range matters more

In that same study, age and sex together explained only about 6% of the difference in resting heart rate between people. Adding body weight and sleep took it to about 10%. The other 90% is individual. So the most useful question isn't whether your number is "good". It's whether today's number is higher or lower than usual for you.

Day-to-day swings were also larger for women of childbearing age than for men, and evened out by about 50 (Quer et al, 2020). A single low morning says less than a run of them.

Cycles and wearable numbers: what research reports

Studies report small average shifts across the menstrual cycle. In one study of 639 people who logged at least 5 cycles, average resting heart rate was 1.6% higher and average HRV 3.2% lower in the second half of the cycle than the first, each measured against the person's own average (Altini and Plews, 2021). A review of wearable studies reported differences of a few percent, and lower HRV on average in people using hormonal contraception (de Jager et al, 2026).

These are population averages. Individual variation is large, many readers don't have a menstrual cycle, and a change in a number is not a diagnosis. Research on HRV through perimenopause is still sparse and mixed, so we don't draw conclusions from it here.

What to do on a morning your numbers are low

• Look at the trend, not one night. A run of lower-than-usual mornings is worth more attention than one.
• Think about the obvious causes first. A short night, a late meal, alcohol or a hard session yesterday can all show up overnight.
• Make the day a little easier if it feels right. A walk or an easier session instead of a hard one, and an earlier night.

When to talk to your doctor

Talk to your doctor about any change in your numbers that worries you, especially with symptoms such as chest pain, fainting, shortness of breath or a racing heart. A ring is not a medical device, and neither is PULS3. In an emergency, call 000 in Australia, 111 in New Zealand, or 911 in the US and Canada.

How PULS3 uses your Oura numbers

PULS3 is an iPhone app with a team of AI coaches that plans your training, food and sleep together. It reads Apple Health, where Oura writes your sleep, heart rate and HRV, or you can connect Oura directly.

• After a short night, the plan offers an easier session, and it changes only if you say yes.
• The week's dinners are planned for everyone at your table, each checked against everyone's allergies.

PULS3 is coaching, not medical care. It does not diagnose, and it does not replace your doctor.

For how the whole team works together, see PULS3 for you.

Seven days to see if it fits your week. If it doesn't, cancel before the trial ends and you pay nothing.

A$9.99 a month in Australia, US$9.99 in the US, C$9.99 in Canada or NZ$9.99 in New Zealand, or 89.99 a year in the same currency.

Questions

What is a good HRV for a woman in her 40s?

There isn't one number. In a German study of 782 healthy women measured with a 5-minute resting ECG, the average RMSSD was 35.4 ms at ages 35 to 44 and 26.3 ms at 45 to 54, with a wide spread around each average (Voss et al, 2015). A ring measures overnight, so its numbers won't match a lab ECG. What matters most is how your own number moves against your usual range.

What is a normal resting heart rate for women?

For adults in general, a resting pulse of 60 to 100 beats a minute is the usual range (MedlinePlus). In a study of 57,836 women wearing fitness trackers, 95% had an average resting heart rate between 53 and 82 beats a minute (Quer et al, 2020). Talk to your doctor about any change that worries you.

Does the menstrual cycle change HRV?

Research reports small average shifts. In one study of 639 people tracking at least 5 cycles, average resting heart rate was 1.6% higher and average HRV 3.2% lower in the second half of the cycle than the first, against each person's own average (Altini and Plews, 2021). A review of wearable studies reported differences of a few percent (de Jager et al, 2026). These are population averages, individual variation is large, and a change in a number is not a diagnosis.

Does PULS3 work with Oura?

Yes. PULS3 reads Apple Health, where Oura writes sleep, heart rate and HRV, and you can also connect Oura directly in PULS3 on iPhone. PULS3 then plans your day: after a short night, the plan offers an easier session, and it changes only if you say yes.

Sources

• Voss A, Schroeder R, Heitmann A, Peters A, Perz S. Short-term heart rate variability: influence of gender and age in healthy subjects. PLoS One 2015;10(3):e0118308. doi.org/10.1371/journal.pone.0118308. Table 5 read 13 October 2026.
• Quer G, Gouda P, Galarnyk M, Topol EJ, Steinhubl SR. Inter- and intraindividual variability in daily resting heart rate and its associations with age, sex, sleep, BMI, and time of year. PLoS One 2020;15(2):e0227709. doi.org/10.1371/journal.pone.0227709. Read 13 October 2026.
• MedlinePlus (US National Library of Medicine). Pulse. Reviewed 1 January 2025. medlineplus.gov. Read 13 October 2026.
• Altini M, Plews D. What is behind changes in resting heart rate and heart rate variability? A large-scale analysis of longitudinal measurements acquired in free-living. Sensors 2021;21(23):7932. doi.org/10.3390/s21237932. Read 13 October 2026.
• de Jager et al. Living systematic review of menstrual cycle phase and wearable heart rate variability. Sports Medicine 2026. doi.org/10.1007/s40279-025-02388-y. Abstract read 13 October 2026.
• Shaffer F, Ginsberg JP. An overview of heart rate variability metrics and norms. Frontiers in Public Health 2017;5:258. doi.org/10.3389/fpubh.2017.00258. Read 13 October 2026.

PULS3 provides coaching guidance, not medical advice, diagnosis, or treatment. Talk to your doctor about your own health. Oura is a trademark of its owner; PULS3 is not affiliated with Oura.