Best Overnight Oximeter

Peter | 31-12-2025

With numerous Best Overnight Oximeter brands to select from – including big names like EMAY,Wellue – picking the right product can feel overwhelming. But we’re here to simplify your search for the perfect Best Overnight Oximeter.

We thoroughly tested and evaluated a wide range of top Best Overnight Oximeter contenders to help you navigate the crowded market. Our stand-out favorite is EMAY Best Overnight Oximeter for its unparalleled quality and top-tier features. Below you’ll discover more of our top-rated Best Overnight Oximeter picks currently available.

Make sure to consult our buying guide too for valuable insights on choosing the ideal product for your needs. It covers all the key factors when shopping for a Best Overnight Oximeter. With our research backing your decision, you can confidently invest in a Best Overnight Oximeter you’ll truly love.

Editor's Choice
Wellue Bluetooth Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Free APP, Batteries,
Wellue Bluetooth Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Free APP, Batteries,
Premium Pick
Wellue O2Ring Pulse Oximter, Bluetooth SPO2 Blood Oxygen Saturation Monitor - Wearable O2 Ring
Wellue O2Ring Pulse Oximter, Bluetooth SPO2 Blood Oxygen Saturation Monitor - Wearable O2 Ring
Budget Pick
SleepO2 Wrist Recording Pulse Oximeter by EMAY | Continuous Pulse Oximeter to Record Blood Oxygen
SleepO2 Wrist Recording Pulse Oximeter by EMAY | Continuous Pulse Oximeter to Record Blood Oxygen

Top 10 Best Overnight Oximeter

We researched and compared the top products in the Best Overnight Oximeter category to provide you with these recommendations.

1. EMAY Sleep Oxygen Monitor with Built-in Recording Capability | Track Continuous Blood Oxygen Levels

  • With a 40 hours' built-in data memory, the EMAY Oxygen Monitor allows you to record O2 & heart rate continuously.
  • Record First, Sync Later! The oximeter records continuously without real-time connection to the app. Just put it on to record and take it off to sync later at your convenience.
  • Free iOS/Android app to review your historical data second by second, and export summary report to share with your physician.
  • Accurately determine your blood oxygen and pulse rate. Display it on a large and rotating digital LCD display. You do not need to twist your neck trying to see it.
  • This device is intended for sports & aviation use only, not for medical or diagnostic purpose.

2. SleepO2 Wrist Recording Pulse Oximeter by EMAY | Continuous Pulse Oximeter to Record Blood Oxygen

  • Most lightweighted wrist pulse oximeter in the market, it weighs only 100 gram that one can sleep with comfortably. Patented silicone soft probe to wear comfortably, never slip off your finger.
  • Record your blood oxygen saturation (SpO2) & heart rate every second continuously and accurately throughout the night.
  • Stand-alone wrist pulse oximeter with built-in recording feature. Just wear it to record overnight, and take it off to sync with app in the morning.
  • Intelligent app allows you to review data second by second, and generate a professional sleep report with valuable data including ODI4% and trend graphs.
  • Rechargeable lithium battery, 12 hours' battery life. The device is for sports/wellness reference use only, not for medical or diagnostic purpose.

3. Wellue O2Ring Pulse Oximter, Bluetooth SPO2 Blood Oxygen Saturation Monitor - Wearable O2 Ring

  • COMFORTABLE SOFT RING SENSOR: The lightest, smallest ring sensor for continuous tracking, durable and adapt to most fingers.
  • DETAILED APP & PC REPORT: Free APP & PC software provides graphic report and trends of data, reviewing real-time data in APP dashboard. Unlimited sharing of PDF and CSV reports.
  • UNUSUAL DATA MARKING: If the SpO2 level is lower than the preset threshold and heart rate is lower or higher than the preset threshold, the device will mark it in the report.
  • UNLIMITED STORAGE IN APP: When the device is connected to the APP via Bluetooth, the data will be uploaded automatically. The built-in memory can store 4 groups of 10 hours of data on device.
  • RECHARGEABLE: The device runs automatically when you wear it, up to 16 hours for a full charge.
  • NOTE: It's not a medical device. This device is for Sports and Aviation use only and not intended for medical use.
  • It is suitable for customers with a finger perimeter of 2-3.2 inch, roughly the size of an adult's finger.

4. EMAY Sleep Oxygen Monitor with PC Software & App | Bluetooth Pulse Oximeter Rechargeable for

  • Support Two Modes: 1. Spot Check-> Read your oxygen level in real time whenever needed without recording data 2. Continuous Tracking -> Record data second by second over time for later analysis and report.
  • Stand-alone oxygen monitor with 72 hours built-in memory that you dont need a smartphone to make it work. Wear it to sleep and take it off to sync in the morning. Settings (alarm threshold, mode switch, memory clearance) can be done on the device itself without connecting to app.
  • Audio alarm to wake you up once your oxygen or heart rate drops below threshold
  • Free PC Software & iOS/Android App : 1. Download and review your historical data second by second 2. Export the granular data as CSV file for sharing & analysis 3. Generate professional oxygen report with crucial information such as oxygen & HR trends over time, ODI data to share with your physician
  • Rechargeable design, lightweight, no aaa batteries.

5. Wellue Bluetooth Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Free APP, Batteries,

  • ACCURATE AND RELIABLE: Our oximeter finger with pulse accurately measures SpO2 and Pulse Rate in 8 seconds. Automatically powers on/off
  • FREE APP for ANDROID & iOS: Automatically receive data from the finger oxygen monitor in real-time, and store the received data. View the stored data at any time; Only synchronize and store data while opening the APP
  • BUILD-IN MEMORY: Up to 12 groups data of Oxygen Level, Pulse Rate and Perfusion Index in record list screen; Quickly view your last 12 times historical data with one click
  • SMART REMINDER: If O2 level or pulse rate exceeds the preset limit, the device will beep to remind you automatically and the readings will flash on the screen
  • COME WITH ACCESSORIES: Includes 2 x AAA batteries placed and removed easily, a carry pouch to protect the oxygen reader, and a lanyard for convenient carry
  • FSA HSA Eligibility: Wellue pulse oximeter fingertip is eligible for reimbursement with a flexible spending account (FSA) or HSA
  • NOTE: It's not a medical device; This device is for Sports and Aviation use only and not intended for medical use
  • It is recommended that the Oximeter should not be applied to the same location for longer than 2 hours; If any abnormal condition is found, please change the position of Oximeter

6. Wellue O2Ring Oxygen Monitor with Vibration Reminder -Bluetooth O2 Pulse Oximeter Rechargeable,

  • All-day Monitoring: It can be used continuously tracking of blood oxygen level, pulse rate and body motion for the whole day. (Up to 16 hours).
  • Smart Readings Reminder: If the O2 level is lower than the preset threshold and heart rate is lower or higher than the preset threshold, the device and the APP will vibrate and mark it in the report.
  • Detailed APP & PC Reports: Free APP & PC software provides graphic O2, PR report and trends of data. Unlimited sharing of PDF and CSV reports. APP compatible with iOS 9.0 or above, iPhone 4s/ iPad 3 or above, Android 5.0 or above, with Bluetooth 4.0 BLE.
  • Built-in Memory: O2ring device stores four groups of 10-hour data.When the device is connected to the APP via Bluetooth, the data will be uploaded automatically.
  • User Friendly: The O2ring runs automatically when you wear it.The patented comfortable soft silicon sensor ring is light and convenient. It is suitable for customers with a finger perimeter of 2.17-3.15 inch, roughly the size of an adult finger
  • Rechargeable: Long battery life. It can be used for up to 12-16 hours after fully charged.
  • All kinds of suggestions and comments are welcome, we will try our best to give you a solution that satisfies you.
  • NOTE: It's not a medical device. This device is for Sports and Aviation use only and not intended for medical use.

7. Wellue O2 Pulse Oximeter with Smart Reminder | Blood Oxygen Saturation Monitor for SpO2 and Heart

  • Free APP&Software for Android, iOS&PCThe "Vihealth" App and "O2 Insight Pro" Software allow you to share all-day data and trend easily, or watch your real-time O2 level and heart rate on your phone, tablet or computer. Please download "Vihealth" from Apple Store or Google Play.
  • Smart Vibration & Audio ReminderThe oximeter vibrates and keeps making a "drip" sound if blood O2 saturation falls below your defined level. Vibration and sound intensity can be adjusted.
  • All-day MonitoringCheckme O2 Max records your O2 level (blood O2 saturation level), pulse rate, and motion with extremely accuracy.
  • Comfort Patented Ring SensorSoft silicone ring sensor won't make your finger numb and never slips from your finger, which completely frees your finger.
  • Up To 72Hrs Long-lasting UseNo AAA batteries required, without keeping batteries nearby, continuous using up to 3 days (72 hours) after one charge.
  • Built-in Memory O2Max oxygen reader stores four groups of 10-hour data. When the device is connected to the APP via Bluetooth, the data will be uploaded automatically.
  • NOTE: It's not a medical device. This device is for Sports and Aviation use only and not intended for medical use.

8. Innovo FSA/HSA Eligible iP900BP-B Fingertip Pulse Oximeter, Blood Oxygen Monitor with Free App,

  • Accurate and Reliable - The Innovo iP900BP-B Finger Pulse Oximeter is a premium model with an improved LED and sensor, allowing SpO2 and pulse rate measurement even at low blood perfusion.
  • Wireless Bluetooth Connection - Connect with your iPhone or Android via Bluetooth using the 'Beyond Oximeter' App. Record readings, visualize SpO2 Waveform, and check Perfusion Index.
  • Patented Multi-Directional Display - Choose from 6 layout options for easy viewing of blood oxygen and pulse. Switch display orientation at the push of a button for user or caregiver.
  • Plethysmograph and Perfusion Index - Ensure accurate SpO2 and Pulse Rate readings. Eliminate doubts about reliability or reading issues.
  • Sports Enthusiasts, Aviation or Home Use - Ideal for climbers, skiers, bikers, aviators, and on-the-go SpO2 and pulse rate tracking. Use pre- or post- exercise, remaining still during measurement. *Not designed for continuous overnight monitoring/recording.

9. Wellue O2Ring-S Oxygen Monitor with Vibration Reminder, Bluetooth Pulse Oximeter Tracks SPO2 and

  • Easy to UseWear to start. Accurately tracking of blood oxygen level, pulse rate and body motion for the whole day. Real-time readings display on the device.
  • All-day TrackingExtending battery life to 24 hours eliminates the need for frequent recharging, makes it easier to measure SPO2, PR and PI uninterrupted throughout the whole day.
  • Enhanced Detection & Data RecordingExperience enhanced detection and data recording with our upgraded chip that samples data at 200Hz, providing up to 36,000 data sampling points per report. Device stores 4 sets of 10hr data & automatically syncs to the app for easy tracking.
  • Vibration ReminderIf the SpO2 level is lower than the preset threshold and heart rate is lower or higher than the preset threshold, the O2ringS vibrates and marks it in the report. You can set the threshold in the APP.
  • Free PC Software & iOS/Android AppEasily view real-time SPO2 and pulse rate and automatically save them in the App. Keep and manage your records on ViHealth App and O2 Insight Pro Software for free. Detailed graphic PDF/CSV reports can be provided for sharing.
  • Ultimate ComfortPatented ring sensor avoids falling off and ensures continuous tracking of O2 levels without any discomfort or inconvenience. Its compact and lightweight design makes it highly portable. Fits finger perimeter 2.17"-3.15"/ 55-80mm.
  • What you getAn O2ringS, a Type-C data cable and a user manual. With an one-year warranty, all kinds of suggestions and comments are welcome, we will try our best to give you a solution that satisfies you.
  • NOTE: It's not a medical device. This device is for Sports and Aviation use only and not intended for medical use.

10. Wellue Wrist Pulse Oximeter with Audio Reminder| Bluetooth Blood Oxygen Monitor Rechargeable for

  • Free APP & PC SoftwareDownload "Vihealth" App to view real-time SPO2 & HR and generate all-day trends reports. Easily share historical reports as PDF/CSV file on your phone or on "O2 Insight Pro" Software.
  • Vibration & Audio ReminderThe oximeter vibrates and keeps making a "beep" sound if O2 or PR level falls below your preset level. Vibration and sound intensity can be adjusted.
  • Comfort Patented Ring SensorWearable soft silicone ring sensor won't make your finger numb and never slips A from your finger, which completely frees your finger.
  • Long Battery LifeUp to 72 hours of use after fully charged. No AAA batteries required.
  • Built-in Memory Keep last 4 recordings on the devices, and each recording up to 10 hours. Sync to Vihealth APP once them connected.
  • NOTE: It's not a medical device. This device is for Sports and Aviation use only and not intended for medical use

Peter

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