Fitbit vs. Garmin for Sleep Tracking: A Head-to-Head Comparison

If you’re shopping for a this year, it helps to know what actually stands out.

We looked at reviews, specs, and overall performance to narrow it down.

Our top choice was clear.

1
Fitbit Luxe-Fitness and Wellness-Tracker with Stress Management, Sleep-Tracking and 24/7 Heart Rate, Black/Graphite, One Size (S & L Bands Included)
Fitbit Luxe-Fitness and Wellness-Tracker with Stress Management, Sleep-Tracking and 24/7 Heart Rate, Black/Graphite, One Size (S & L Bands Included)
9.4
Amazon.com
2
Garmin Index Sleep Monitor, L/XL Bundle with Extra Replacement Band Large/Extra Large + USB Wall Charger Adapter White Cube + Microfiber Cleaning Cloth
Garmin Index Sleep Monitor, L/XL Bundle with Extra Replacement Band Large/Extra Large + USB Wall Charger Adapter White Cube + Microfiber Cleaning Cloth
9.3
Amazon.com

Top Pick

This is the product that stood out most — for performance, price, and overall value.

Fitbit Luxe-Fitness and Wellness-Tracker with Stress Management, Sleep-Tracking and 24/7 Heart Rate, Black/Graphite, One Size (S & L Bands Included)

$197.95
in stock
Amazon.com
Amazon price updated: September 21, 2025 9:50 am

Features

Part Number FB422BKBK
Model FB422BKBK
Color Black/Graphite
Is Adult Product
Release Date 2021-05-31T00:00:01Z
Size 1 Count (Pack of 1)
Language Turkish
Publication Date 2021-05-12T00:00:01Z
  • See how jewelry gets smart with a tracker that doubles as a timeless accessory and features a vibrant color display
  • Get better sleep to power your days with sleep tracking and sleep Score in the Fitbit app
  • Feel a Buzz when you reach your target heart rate zones, while you earn active zone minutes
  • 6-month trial of Fitbit Premium(New and returning Premium members only. Must activate trial within 60-days of device activation. Requires valid payment method.Content and features may change. Terms & Conditions apply)
  • Maximize your exercise, understand resting heart rate trends and better estimate calorie burn with 24/7 heart rate tracking
  • Tune in to your body with health metrics like breathing rate, heart rate variability and more (in-app only)
  • Enjoy up to 5 days of battery without having to stop for a charge (varies with use and other factors)
  • Connect Luxe to your phone’s GPS & see real-time pace and distance on your wrist

Top Picks Compared

Here are the other options we recommend. Each brings something different to the table, depending on what you’re looking for.

Fitbit Luxe-Fitness and Wellness-Tracker with Stress Management, Sleep-Tracking and 24/7 Heart Rate, Black/Graphite, One Size (S & L Bands Included)

$197.95
in stock
Amazon.com
Amazon price updated: September 21, 2025 9:50 am

Features

Part Number FB422BKBK
Model FB422BKBK
Color Black/Graphite
Is Adult Product
Release Date 2021-05-31T00:00:01Z
Size 1 Count (Pack of 1)
Language Turkish
Publication Date 2021-05-12T00:00:01Z
  • See how jewelry gets smart with a tracker that doubles as a timeless accessory and features a vibrant color display
  • Get better sleep to power your days with sleep tracking and sleep Score in the Fitbit app
  • Feel a Buzz when you reach your target heart rate zones, while you earn active zone minutes
  • 6-month trial of Fitbit Premium(New and returning Premium members only. Must activate trial within 60-days of device activation. Requires valid payment method.Content and features may change. Terms & Conditions apply)
  • Maximize your exercise, understand resting heart rate trends and better estimate calorie burn with 24/7 heart rate tracking
  • Tune in to your body with health metrics like breathing rate, heart rate variability and more (in-app only)
  • Enjoy up to 5 days of battery without having to stop for a charge (varies with use and other factors)
  • Connect Luxe to your phone’s GPS & see real-time pace and distance on your wrist

Garmin Index Sleep Monitor, L/XL Bundle with Extra Replacement Band Large/Extra Large + USB Wall Charger Adapter White Cube + Microfiber Cleaning Cloth

$199.99
PRIMEPRIME
in stock
Amazon.com
Amazon price updated: September 21, 2025 9:50 am

Features

Part Number 010-03024-00-AG2-2
Model 010-03024-00
Color Black
  • Comfort Without Compromise: Designed to be worn on the upper arm, the Index Sleep Monitor features a lightweight, breathable band available in two sizes for a secure, barely-there fit. Ideal for those who dislike wrist wearables during sleep, it delivers overnight insights without discomfort or disruption. The band is machine-washable for easy maintenance, making it a practical part of your nightly routine.
  • Advanced Sleep and Recovery Metrics: Track your sleep score, sleep stages, , and resting to understand how well you’re recovering. This data is ideal for health-conscious individuals and athletes who want to improve sleep quality and optimize performance. Smart wake vibration gently wakes you at the best time in your cycle so you feel more alert, not groggy.
  • Insights Beyond Sleep: Monitor skin temperature changes for signals like past ovulation and menstrual trends. Breathing variation tracking uses to highlight shifts in nighttime respiration, helping you better understand your body’s signals. Designed for people who want deeper, continuous wellness insights—without wearing a watch to bed. (This is not Medical Device)
  • Effortless Syncing and Long Battery Life: With up to 7 nights of battery life, the Index Sleep Monitor requires minimal charging. Data seamlessly syncs to the Garmin Connect app and integrates with other compatible Garmin devices to enhance your full health picture. Perfect for those already using Garmin wearables or anyone looking to add accurate sleep tracking to their wellness routine.
  • Bundle Includes: Garmin Index Sleep Monitor, L/XL + Garmin Band, Index Sleep Monitor Replacement, L/XL + USB Wall Charger Adapter White Cube + Microfiber Cleaning Cloth

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Digital Wellness Labs
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