10 Best Under Mattress Sleep Trackers of 2026 for Contactless Sleep Monitoring

Written by: Editor In Chief
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If you want sleep data without wearing a watch, ring, or chest strap, an under mattress sleep tracker can be a simple upgrade. These contactless devices sit under your bed or mattress and quietly monitor movement, sleep stages, heart rate, and breathing.

In this roundup, we focus on the best options for 2026, from app-connected sleep analysis tools to practical bed sensor pads for home and travel.

Best 10 Under Mattress Sleep Tracker Picks for 2026

Portable Under-Mattress Tracking

Sleep Sensor Pad PVDF Under Mattress Sleep Tracker

Sleep Sensor Pad PVDF Under Mattress Sleep Tracker
  • Flexible, curlable pad
  • Tracks movement and bed presence
  • Portable for home or travel

Best For: Travelers and anyone wanting discreet, no-wear sleep monitoring

Wearable Sleep Band

Garmin Index Sleep Monitor

Garmin Index Sleep Monitor
  • Tracks sleep score, stages, and HRV
  • Lightweight upper-arm wearable
  • Up to 7 nights of battery life

Best For: Garmin users who prefer a comfortable wearable sleep monitor

Passive Home Monitoring Add-On

FutureCare Sleeping Mat Sensor

FutureCare Sleeping Mat Sensor
  • Passive under-mattress monitoring
  • No buttons or daily setup
  • Requires FutureCare HomeKit

Best For: Existing FutureCare users wanting discreet bed monitoring

Sleep Analysis Classic

Withings Sleep Under-Mattress Tracking Pad

Withings Sleep Under-Mattress Tracking Pad
  • Passive under-mattress monitoring
  • Detects snoring and sleep cycles
  • Measures heart-rate-related activity

Best For: Buyers wanting established bed-based sleep analysis

Contactless sleeper with alerts

OZI No-Wear Tracking - Contactless Under-Sheet Sleep Monitor

OZI No-Wear Tracking - Contactless Under-Sheet Sleep Monitor
  • No watch, ring, wristband, or camera required
  • Tracks stages, breathing, heart rate, and movement
  • Real-time alerts for bed exits and unusual movement

Best For: Households and caregivers wanting contactless monitoring

Simple under-bed sleep pad

Withings Under-Mattress Pad - Sleep Cycle Analysis Monitor

Withings Under-Mattress Pad - Sleep Cycle Analysis Monitor
  • Tracks deep, light, and REM sleep cycles
  • Monitors snoring, breathing disturbances, and heart rate
  • Automatic Wi-Fi sync plus IFTTT support

Best For: Simple sleep tracking with smart-home integration

Two-sleeper smart-bed tracker

Beautyrest Dual-Sleeper - Alexa-Enabled Bed Sleep Monitor

Beautyrest Dual-Sleeper - Alexa-Enabled Bed Sleep Monitor
  • Tracks two sleepers independently
  • Measures respiration, heart rate, movement, and wakefulness
  • Alexa enabled with app-based coaching

Best For: Couples needing separate sleep reports

Replacement Sensor Pad

Lunderg Under Mattress Bed Alarm Pad

Lunderg Under Mattress Bed Alarm Pad
  • Replacement or extra pad for Lunderg systems
  • Quiet under-mattress design
  • Early-alert movement detection

Best For: Current Lunderg users who need a replacement or add-on pad

Contactless Sleep Monitor

SOMNDEEP Smart Sleep Tracker

SOMNDEEP Smart Sleep Tracker
  • 60GHz radar contactless tracking
  • Sleep, heart rate, and breathing trends
  • App reports plus family sharing

Best For: Adults and seniors who want a non-wearable bedside sleep monitor

Wellness Bedside Tracker

Non-Wearable Smart Sleep Tracker

Non-Wearable Smart Sleep Tracker
  • Radar-based contactless sleep tracking
  • Sleep stage, movement, and breathing data
  • Routine reminders and family access

Best For: Buyers who want private sleep trend tracking with reminder features

Portable Under-Mattress Tracking – Sleep Sensor Pad PVDF Under Mattress Sleep Tracker

If you want an under mattress sleep tracker that stays completely out of the way, this flexible sensor pad is built for passive nightly monitoring at home or on the road. It focuses on bed presence, movement, and sleep behavior without requiring you to wear anything to bed.

Best For: Travelers, frequent hotel stays, and anyone who wants a simple under-mattress sensor with no wearables.

Pros:

  • Curlable, ultra-thin design is easy to place under bedding without discomfort.
  • PVDF piezoelectric film is designed for real-time detection of movement and vital-sign-related signals through bedding layers.
  • Tracks bed entry and exit, sleep quality, and micro movements for broader overnight insight.
  • Lightweight and portable for home use, hotels, and business trips.

Cons:

  • Focuses on movement and presence rather than a full wearable-style health dashboard.
  • Product details provided do not include battery life or app ecosystem information.

This is a practical pick if your priority is discreet, no-contact sleep monitoring that can travel with you. It stands out for portability and flexibility, making it a straightforward option for people who want basic overnight tracking without wearing a device.

Wearable Sleep Band – Garmin Index Sleep Monitor

While not an under mattress sleep tracker, this lightweight arm band is worth considering if you want sleep metrics you can pair with the Garmin ecosystem. It tracks sleep score, sleep stages, HRV, and rest duration, and it works automatically overnight with a breathable design.

Best For: Garmin users who want a comfortable wearable alternative with sleep and recovery metrics.

Pros:

  • Tracks sleep score, sleep stages, HRV, and duration of rest.
  • Lightweight, breathable design worn on the upper arm for nighttime comfort.
  • Up to 7 nights of battery life.
  • Can sync directly to Garmin Connect, even without a Garmin smartwatch.

Cons:

  • It is a wearable, so it does not meet the needs of buyers specifically seeking an under-mattress tracker.
  • Some features rely on Garmin ecosystem compatibility and app syncing.

This monitor makes the most sense for people already using Garmin products or those who prefer body-worn sleep tracking over bed sensors. It offers a richer metrics set than a basic mattress pad, but it is a different category from a passive under-bed solution.

Passive Home Monitoring Add-On – FutureCare Sleeping Mat Sensor

If you need an under mattress sleep tracker for passive overnight monitoring, this slim mat is designed to sit discreetly beneath the bed and watch for presence and movement. It is made to run automatically in the background, but it is specifically intended as an add-on to the FutureCare system.

Best For: Existing FutureCare HomeKit owners who want discreet under-mattress monitoring without cameras or wearables.

Pros:

  • Passively monitors presence and movement under the mattress.
  • No interaction required, with no buttons or daily setup.
  • Slim, flexible mat stays out of sight and does not interfere with sleep.
  • Designed to add insight to the FutureCare HomeKit system.

Cons:

  • Will not function on its own and requires an active FutureCare HomeKit.
  • Useful only if you already use the FutureCare ecosystem.

This is a strong fit for buyers who already have FutureCare and want a truly passive bed sensor. The tradeoff is dependency on the larger system, so it is more of an expansion module than a standalone sleep tracker.

Sleep Analysis Classic – Withings Sleep Under-Mattress Tracking Pad

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The Withings Sleep is a classic under mattress sleep tracker built for people who want detailed night analysis without wearing a device. It tracks sleep cycles, snoring, and heart-rate-related activity through a pneumatic sensor, making it a practical option for long-term bedroom use.

Best For: Buyers who want established under-mattress sleep tracking with snoring and sleep cycle analysis.

Pros:

  • Under-mattress design provides passive monitoring without wearables.
  • Analyzes sleep phases, depth, and interruptions to help improve nightly rest.
  • Detects snoring episodes automatically.
  • Measures cardiovascular-related activity through a pneumatic sensor.

Cons:

  • Compatible with smartphones, so it is not a standalone display-style device.
  • The product listing emphasizes analysis rather than advanced modern ecosystem features.

This is the best-known style of bed sensor for people who want insight into sleep quality, snoring, and heart-rate-related signals from beneath the mattress. It is especially appealing if you want a dedicated, no-wear sleep tracker that focuses on overnight patterns rather than fitness metrics.

Contactless sleeper with alerts – OZI No-Wear Tracking – Contactless Under-Sheet Sleep Monitor

If you want an under mattress sleep tracker that works without a watch, ring, camera, or wearable, OZI is built for exactly that use case. It slides under the sheet and monitors sleep stages, heart rate, breathing, movement, awake moments, and bed exits in real time through the app.

Best For: Households, caregivers, kids 5+, couples, and adults who want contactless sleep tracking with alerts.

Pros:

  • No watch, ring, wristband, or camera needed
  • Tracks sleep stages, heart rate, breathing rate, movement, and sleep score
  • Real-time alerts for bed exits and unusual movement
  • No monthly fees and quick setup under the sheet

Cons:

  • Requires smartphone app use for viewing data
  • Designed as an under-sheet sensor, so placement matters

OZI is a practical pick if you want broad sleep visibility without wearing anything overnight. Its alerts and contactless design make it especially useful when you need more than a basic sleep summary.

Simple under-bed sleep pad – Withings Under-Mattress Pad – Sleep Cycle Analysis Monitor

This under mattress sleep tracker is designed for people who want automatic sleep data without wearing anything. The Withings Sleep pad sits between the mattress and bed base, tracking sleep cycles, snoring, breathing disturbances, and heart rate with automatic sync to the Health Mate app.

Best For: Buyers who want a simple under-bed sleep pad with sleep cycle analysis and smart-home integrations.

Pros:

  • Tracks deep, light, and REM sleep cycles
  • Includes snore detection and breathing disturbance monitoring
  • One-time setup with automatic Wi-Fi sync
  • Works with IFTTT for smart-home automation scenarios

Cons:

  • Must be placed under the mattress rather than on top of the bed
  • Tested with mattress thicknesses from 4 to 15 inches

The Withings Sleep pad is a straightforward choice if you want a low-fuss mattress sensor that keeps collecting data in the background. It stands out for sleep-cycle detail and practical app syncing.

Two-sleeper smart-bed tracker – Beautyrest Dual-Sleeper – Alexa-Enabled Bed Sleep Monitor

If you’re comparing an under mattress sleep tracker for a shared bed, Beautyrest Sleeptracker focuses on individualized monitoring for two sleepers. It uses non-wearable bed sensors to analyze respiration, heart rate, movement, and wakefulness, then turns that data into coaching insights in the app.

Best For: Couples who want separate sleep tracking and personalized coaching in a smart-bed setup.

Pros:

  • Non-wearable solution for mattress and box spring setups
  • Monitors respiration, heart rate, movement, and wakefulness
  • Tracks two sleepers independently with separate reporting
  • Alexa enabled and app-based sleep coaching

Cons:

  • Services and warranty are only available in the United States
  • Positioned as a smart-bed style system, not a compact pad tracker

Beautyrest is the most relationship-friendly option here if you need separate data for each sleeper. Its smart-home tie-in and coaching features make it a strong fit for people who want more than basic overnight stats.

Replacement Sensor Pad – Lunderg Under Mattress Bed Alarm Pad

If you need an under mattress sleep tracker component for an existing Lunderg setup, this replacement pad is a practical add-on. It works wirelessly with the handheld monitor, is meant to sit quietly under the mattress, and is designed to alert you before the sleeper gets out of bed.

Best For: Replacing a worn pad or adding a second under-mattress sensor to a Lunderg bed alarm system.

Pros:

  • Wireless connection to the handheld monitor, with up to 300 ft. range.
  • Quiet, comfortable under-mattress design with no crinkling or rough texture.
  • Early-alert sensing is designed to detect movement before the person stands up.
  • Battery powered and includes 2 AA batteries.

Cons:

  • Pager/handheld monitor is not included.
  • Works only as part of the Lunderg system, so it is not a standalone tracker.

This is a focused replacement part rather than a full monitoring kit, so it makes the most sense for current Lunderg users who need another pad or a backup. If your priority is quiet, low-profile bed sensing instead of full sleep analytics, it fits that role well.

Contactless Sleep Monitor – SOMNDEEP Smart Sleep Tracker

This under mattress sleep tracker is aimed at people who want contactless overnight insights without wearing anything to bed. Using 60GHz radar, it tracks sleep quality, heart rate, breathing pattern trends, and nighttime movement while staying quiet and camera-free.

Best For: Adults or seniors who want a non-wearable bedside device with sleep trend reports and wellness features.

Pros:

  • Contactless, non-wearable tracking with no skin contact.
  • Measures sleep duration, movement, breathing patterns, and heart rate trends.
  • Automatic nightly tracking with plug-in convenience.
  • App reports, family sharing, and built-in wind-down features.

Cons:

  • Requires 2.4GHz Wi-Fi; 5GHz is not supported.
  • Designed for general wellness use only, not blood oxygen monitoring.

For buyers comparing an under mattress sleep tracker to wearable options, this model stands out for comfort and privacy. It leans more toward sleep habit tracking and bedside convenience than medical-grade monitoring, but the app-based reports make it easy to follow trends over time.

Wellness Bedside Tracker – Non-Wearable Smart Sleep Tracker

If you want an under mattress sleep tracker alternative that stays completely contactless, this bedside monitor offers sleep trend tracking without wearables or cameras. It uses millimeter-wave radar to follow heart rate, breathing patterns, body movement, and sleep stage estimates while presenting the data in simple daily reports.

Best For: People who want private, non-contact sleep tracking with family visibility and reminder features.

Pros:

  • Non-wearable, camera-free radar monitoring for private use.
  • Tracks heart rate, breathing patterns, movement, and deep/light/REM sleep.
  • Provides daily reports and long-term sleep trend comparisons.
  • Includes routine reminders, voice messages, and family remote-check features.

Cons:

  • Supports 2.4GHz Wi-Fi only.
  • Performance can be affected by nearby movement or vibration.
  • Not for medical use.

This is a strong fit if your priority is low-effort sleep monitoring with extras for routines and family peace of mind. It is less about a physical sensor under the mattress and more about contactless bedside tracking, but the nightly data and reports are well suited to trend-focused buyers.

How We Picked the Best Under Mattress Sleep Tracker

We focused on Under Mattress Sleep Tracker models that offer a strong mix of accuracy, comfort, ease of setup, and useful app features. Preference went to devices with contactless monitoring, clear sleep reporting, and minimal disruption to your bedtime routine. We also considered whether a product is better suited for couples, solo sleepers, travel, or basic bed-sensor needs.

Quick Comparison

The main tradeoff is between simplicity and insight. Some sleep tracking pads are built for straightforward movement detection and alarm or presence sensing, while others provide fuller sleep stage analysis, heart rate, and breathing metrics through an app. If you want deep sleep analytics, choose a smarter platform. If you want a low-maintenance sensor, a basic under-mattress pad may be enough.

Key Buying Factors for an Under Mattress Sleep Tracker

Tracking Depth

Check whether the device measures only movement or also estimates sleep stages, heart rate, respiratory rate, and awakenings. More metrics can be helpful, but only if you will actually use them.

Placement and Compatibility

Some units go directly under the mattress, while others are designed for under-sheet or bedside placement. Make sure the sensor works with your mattress type and thickness, especially if you use a memory foam or adjustable bed.

App and Smart Home Support

A good app should make trends easy to read, not overwhelm you with charts. If you use voice assistants or other smart home tools, confirm compatibility before buying.

Subscription Costs

Several sleep monitors include app access without monthly fees, while others may use optional paid services. Factor in total ownership cost, not just the upfront price.

Use Case

An Under Mattress Sleep Tracker for wellness insights is different from a bed sensor meant for alarms, caregiver monitoring, or travel. Match the product to your main goal so you do not overpay for features you will not use.

Who Should Buy Which Under Mattress Sleep Tracker?

If you want the easiest path to sleep data, choose a contactless tracker with a polished app and automatic nightly reports. If you care most about no-fuss setup, go with a simple sensor pad. For couples, look for strong motion separation and dual-sleeper awareness. For budget-conscious buyers, prioritize no-fee models that still deliver the core insights you need.

In short, the best Under Mattress Sleep Tracker is the one that fits your bed, your routine, and how much detail you want from your sleep data.