Estimated read time: 3 minutes

Is Your Heart Telling 
You Something You Can’t Always Feel? Introducing Blood Pressure Trends

This blood pressure trends feature is coming to Pixel Watch 3, 4 and 5 and Google Fitbit Air this Autumn!

By: Pramod Rudrapatna, Ming Zher Poh

Google Health’s new Health Guardian feature passively tracks your blood pressure trends, enabling you to make proactive lifestyle adjustments and confirm your trends with a blood pressure monitor at home.

The Quick Takeaways

  • Cuffless & Calibration Free: Your wearable passively observes your pulse and motion patterns throughout the month, including during sleep, without daily interruptions or cuff friction or calibration.

  • Monthly Context, Not Daily Noise: Rather than sending daily notifications for natural fluctuations, the feature delivers a single contextualised insight on the first of each month.

  • Grounded in Science: Validated against a gold-standard 24-hour ambulatory blood pressure monitor.

Why It Matters to You

You feel a poor night’s sleep, tight shoulders from stress or muscle ache after workouts, telling you when to recover. But blood pressure is mostly invisible¹, leaving over half a billion adults unaware that they are living with higher blood pressure trends. Persistent higher trends can strain your heart, kidneys and brain.

Blood Pressure Trends surface these invisible signals, enabling you to tweak your lifestyle and proactively take control of your health and wellbeing.

The Signal You Don’t Feel

The Signal You Don’t Feel

500M+

Adults don’t realise when their blood pressure trend has shifted higher.1

Over half a billion adults worldwide live for years without knowing how daily lifestyle 
choices impact long-term heart health simply because they lack a clear reason to 
check recent patterns.

In a healthy body, your blood vessels are like flexible tubes that easily expand and relax to let blood flow smoothly. But when blood pressure stays consistently high, those walls become stiff and rigid. To keep things moving, your heart has to work much harder with every single beat just to push the same amount of blood through. You rarely feel this extra effort happening in the background. But over time, the persistent silent strain can wear down your vital organs such as heart and kidneys – and if left unchecked, can increase your risk for cardiovascular conditions. But this can be reversed if you know when you are trending higher and make lifestyle changes!
Image of a man

Beyond the Cuff: From Snapshots to Trends

Historically, keeping tabs on your blood pressure required the manual hassle of strapping on an inflatable arm cuff at home, or waiting for an occasional doctor’s visit. Because those clinical checkups are infrequent, they only give you a brief snapshot of your wellbeing.

Google Health takes a more preventative, continuous and effortless approach. By utilising the optical and motion sensors already on your wrist, Blood Pressure Trends acts as a passive observer in the background. There is no need to stop your day or deal with a tight arm cuff.

Over the course of the month, our state-of-the-art waveform foundation model – WavesFM2 – analyses the complex shape and speed of your pulse beneath your skin to estimate your blood pressure. This technology is grounded in rigorous science and was prospectively validated across diverse populations in free-living conditions against the gold-standard 24-hour Ambulatory Blood Pressure Monitoring (ABPM).

Know Your Trends, Own Your Wellbeing

Amidst the hustle of daily life, it can be hard to step back and reflect on what is happening inside our bodies. Designed to help you take charge of your cardiovascular wellness, this feature acts as a supportive guide for your heart. If it detects a persistently high trend, it delivers a personalised summary on the first of the month – acting as a timely prompt to make proactive lifestyle changes, confirm your numbers with a blood pressure monitor or consider discussing the results with a healthcare professional.


Disclaimer: This product is intended for general wellness purposes only and is not intended to diagnose, mitigate, prevent, treat or cure any disease. The data provided by this product is not intended for medical use, is not a replacement for a blood pressure monitor and should not be used as a substitute for professional medical advice. This product is not a pre-screener for hypertension, does not provide real-time blood pressure readings for clinical purposes, and should not be relied upon for blood pressure management, medication adjustments or treatment plans. This feature is not for individuals who are pregnant. Consult a medical professional for any questions about your blood pressure.

Blood pressure trends feature will be available on Pixel Watch 3, 4 and 5 and Google Fitbit Air this autumn.

Wearables built for you

Get 3 months of Google Health Premium included with Fitbit and Pixel Watch on us (then £7.99/month) for new and returning eligible users only. Recurring billing. Cancel anytime.5

  • Your Pixel Watch or Fitbit captures every step, every heartbeat, every 
night of sleep. It all flows into Google Health automatically.
  • Wear it to work, to bed, to the gym. Your wearable tracks your health around the clock, wherever life takes you.
  • The more your wearable tracks, the clearer the patterns become. See how sleep affects your energy, or how activity shapes your recovery.3

Wearable

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Google Pixel
Watch 5
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Wearable

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Google Pixel
Watch 4
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Wearable

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Google Fitbit
Air
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News and insights

Recent announcements, findings and highlights from our team

Is Your Body Managing Energy Efficiently? Your Device Can Now Tell You with Insulin Resistance Trends

This new insulin resistance trends feature is coming to Pixel Watch 3, 4 and 5 and Google Fitbit Air this autumn!

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Your Sleep Has a Hidden Story. Now You Can See It.

This sleep breathing quality trends feature is coming soon to Pixel Watch devices this autumn!

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FAQ

  • Google Health is a wellness service that tracks your fitness, sleep and wellness data through wearables like Fitbit, Pixel Watch and other devices. It includes a digital wellness coach built with Gemini that works as your AI coach, using your metrics to adapt workout plans, optimise your sleep schedule and answer wellness questions specific to you. Developed with wellness experts, your coach gets smarter as it learns your patterns, helping you make progress that actually sticks.3,4
  • The Google Health app brings together your fitness, sleep and wellness data from wearables, apps and medical records to give you a holistic view of your wellbeing in one place. With a Premium membership, you get an AI coach built with Gemini that gives you workout plans that adjust based on how recovered you are, helps you find out how much sleep your body needs and answers questions about nutrition or what your metrics mean.
  • Yes, Google Health is free to download and use. You can track your metrics at no cost. There's also a Premium membership available that unlocks proactive coaching and personalisation across fitness, sleep and wellness.
  • Yes. Google Health connects with a wide range of wearables, apps and devices for activity and wellness tracking. It works with Fitbit, Pixel Watch and other compatible trackers, syncing data from fitness apps, smart scales, glucose monitors and more. You can even import medical records securely, so all your wellness information lives in one place.
  • Yes. Google Health tracks your menstrual cycle, including predicted periods, fertile windows and symptoms like mood, flow and energy. Your data builds over time, giving you a clearer picture of your cycle and how it connects to your sleep, fitness and daily routines. You can also ask Google Health Coach questions about your cycle wellbeing anytime and get answers based on your personal data.

  1. World Health Organization

  2. P Cao WavesFM: Hierarchical Representation Learning for Longitudinal Wearable Sensor Waveforms

  3. Requires Google Health Premium subscription (sold separately), Google Health app, Wi-Fi and Internet connection. Features subject to change; availability varies. Not intended for medical purposes. Gemini features work independently of Gemini apps. Check responses for accuracy; results may vary.

  4. Not intended for medical purposes. Sleep tracking features are not intended to diagnose or treat any medical conditions and should not be relied on for medical purposes. It is intended to provide information that can help you manage your well- being. Consult your health care professional before making changes regarding your health.

  5. Available to users in the Ireland, must be 18 years or older. Offer ends 26/05/2027. New and returning users only; one trial per customer and not transferable. Requires valid method of payment and compatible device. Automatically renews for £7.99/month after trial; cancel at any time. Membership cannot be gifted. Return of purchased device results in cancellation of subscription. No refunds for partial billing periods, except as required by applicable law. More details at g.co/fitbit/terms.