---
product_id: 748550196
title: "Garmin Index Sleep Monitor"
brand: "garmin"
price: "¥49444"
currency: JPY
in_stock: true
reviews_count: 13
category: "Garmin"
url: https://www.desertcart.jp/products/748550196-garmin-index-sleep-monitor
store_origin: JP
region: Japan
---

# 7-day battery life Advanced sleep stage & HRV tracking Skin temp-based women’s health insights Garmin Index Sleep Monitor

**Brand:** garmin
**Price:** ¥49444
**Availability:** ✅ In Stock

## Summary

> 🌙 Own Your Night, Power Your Day

## Quick Answers

- **What is this?** Garmin Index Sleep Monitor by garmin
- **How much does it cost?** ¥49444 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/748550196-garmin-index-sleep-monitor)

## Best For

- garmin enthusiasts

## Why This Product

- Trusted garmin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless All-Night Comfort:** Lightweight, breathable nylon band designed for seamless wear on your upper arm—sleep tracking without the bulk.
- • **Deep Sleep Data, No Guesswork:** Track sleep score, stages, HRV, and rest duration with precision metrics that empower your recovery strategy.
- • **Wake Up Refreshed, Not Jolted:** Smart wake alarm gently vibrates at your optimal sleep phase, ensuring you rise energized and ready to lead.
- • **Women’s Health Meets Smart Tech:** Leverage skin temperature to unlock advanced menstrual cycle insights—better period predictions and ovulation estimates.
- • **Sync Seamlessly with Garmin Connect:** Whether you own a Garmin watch or not, your sleep data integrates smoothly for a holistic health snapshot.

## Overview

The Garmin Index Sleep Monitor is a sleek, upper-arm wearable that delivers up to 7 nights of battery life while tracking sleep stages, HRV, and rest duration. It offers advanced women’s health insights via skin temperature and syncs effortlessly with the Garmin Connect app for a comprehensive view of your recovery and wellness. Designed for millennial professionals seeking data-driven sleep optimization without subscription fees, it combines comfort with cutting-edge biometric monitoring.

## Description

How did you sleep? Find out with the Index™ Sleep Monitor . Comfortable, lightweight and worn on the upper arm, this smart sleep band can capture sleep-tracking and recovery metrics — including sleep score, sleep stages and HRV status — so you can better understand how your body recovers each night (data presented is intended to be a close estimation of metrics tracked). Using skin temperature, advanced women’s health tracking can provide more insight into your menstrual cycle , including better period predictions and past ovulation estimates (this feature is not intended to support conception, contraception or birth control and is not a medical device). If you wear a compatible Garmin smartwatch during the day, your data will seamlessly sync via the Garmin Connect™ app for more insight into your health and fitness . Plus, get up to 7 nights of battery life.

Review: Must Buy sleep device. Garmin Sleep Index= 👍, Oura Ring=👎, Whoop Strap= 👎 - This sleep monitor gives you exactly what you need to track your sleep. Way better and way cheaper than the Oura Ring or the Whoop device. You pay one time and there are no subscriptions. Also, the material is very comfortable. I don’t even notice while Im sleeping.
Review: Does Not Work With Garmin Watch To Create Physiological Model - Waste of Money If That's Your Goal - While this band is much more comfortable than sleeping with your Garmin wrist device overnight, it fails to live up to the core promise Garmin makes: it does not contribute to the physiological model your watch creates, so you end up having your watch's model and the sleep band's model that are disconnected. Body Battery, HRV Status, Training Status, and V02 Max had to completely reset when I started wearing this, and it wasn't until I dug deeper that I learned that the watch and sleep band don't work together to create a model - they create separate models. Until Garmin creates a better device ecosystem where their devices work together to create the physiological model, I'll be considering this sleep band a waste of money and would not recommend that anyone relying on Garmin for data on training progress. If you're casually tracking your body data and are not relying on the model for training, it could work just fine but I would advise leaving the watch on at night and putting it on in the morning while you still have the sleep band on so they both sync with the Connect app before removing the sleep band. Garmin - please fix your device ecosystem or give more clear information that the devices work to SEPARATELY track physiological data rather than working TOGETHER to create a comprehensive model.

## Features

- Worn on the upper arm, this lightweight and breathable smart sleep band is available in two sizes for comfort throughout the night
- Can provide sleep-tracking metrics, including sleep score, sleep stages, HRV and duration of rest (data presented is intended to be a close estimation of metrics tracked)
- Up to 7 nights of battery life
- For more insight into your health, the breathing variations feature uses Pulse Ox to check your level of variations while sleeping (this is not a medical device and not intended for diagnosing or monitoring medical conditions; Pulse Ox is required and not available in all countries)
- Using skin temperature, advanced women’s health tracking provides more insight into your menstrual cycle, including better period predictions and past ovulation estimates (this feature is not intended to support conception, contraception or birth control and is not a medical device)
- If you don’t own a Garmin smartwatch, Index Sleep Monitor sleep metrics can sync directly to the Garmin Connect app ; if you wear a compatible Garmin smartwatch during the day, your data will seamlessly sync via the Garmin Connect app for more insight into your health and fitness
- Smart wake alarm gently vibrates to wake you at the optimal time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FCMWRMHV |
| Battery Average Life | 7 days |
| Battery Description | Lithium-Ion |
| Best Sellers Rank | #58,560 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #31 in Smart Rings #191 in Activity & Fitness Trackers |
| Brand | Garmin |
| Brand Name | Garmin |
| Color | Black |
| Compatible Devices | Personal Computer, Smartphones, Tablets |
| Customer Reviews | 3.4 out of 5 stars 206 Reviews |
| Included Components | Index Sleep Monitor, charging/data cable, documentation |
| Item Dimensions L x W x H | 0.3"L x 1.6"W x 1.5"H |
| Item Type Name | Sleep Monitor |
| Item Weight | 0.5 Ounces |
| Manufacturer | Garmin |
| Manufacturer Part Number | 010-03024-01 |
| Material | Nylon |
| Material Type | Nylon |
| Model Number | 010-03024-01 |
| Product Dimensions | 0.3"L x 1.6"W x 1.5"H |
| Sensor Type | Optical, Pulse Ox |
| Size | Small-Medium |
| Team Name | Garmin |
| UPC | 753759342906 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Limited Warranty |

## Product Details

- **Battery Description:** Lithium-Ion
- **Battery Life:** 7 days
- **Brand:** Garmin
- **Color:** Black
- **Compatible Devices:** Personal Computer, Smartphones, Tablets
- **Item Weight:** 0.5 Ounces
- **Material:** Nylon
- **Product Dimensions:** 0.3"L x 1.6"W x 1.5"H
- **Sensor Type:** Optical, Pulse Ox
- **UPC:** 753759342906

## Images

![Garmin Index Sleep Monitor - Image 1](https://m.media-amazon.com/images/I/71kQ8r4MT2L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Must Buy sleep device. Garmin Sleep Index= 👍, Oura Ring=👎, Whoop Strap= 👎
*by J***W on April 3, 2026*

This sleep monitor gives you exactly what you need to track your sleep. Way better and way cheaper than the Oura Ring or the Whoop device. You pay one time and there are no subscriptions. Also, the material is very comfortable. I don’t even notice while Im sleeping.

### ⭐ Does Not Work With Garmin Watch To Create Physiological Model - Waste of Money If That's Your Goal
*by N***S on January 10, 2026*

While this band is much more comfortable than sleeping with your Garmin wrist device overnight, it fails to live up to the core promise Garmin makes: it does not contribute to the physiological model your watch creates, so you end up having your watch's model and the sleep band's model that are disconnected. Body Battery, HRV Status, Training Status, and V02 Max had to completely reset when I started wearing this, and it wasn't until I dug deeper that I learned that the watch and sleep band don't work together to create a model - they create separate models. Until Garmin creates a better device ecosystem where their devices work together to create the physiological model, I'll be considering this sleep band a waste of money and would not recommend that anyone relying on Garmin for data on training progress. If you're casually tracking your body data and are not relying on the model for training, it could work just fine but I would advise leaving the watch on at night and putting it on in the morning while you still have the sleep band on so they both sync with the Connect app before removing the sleep band. Garmin - please fix your device ecosystem or give more clear information that the devices work to SEPARATELY track physiological data rather than working TOGETHER to create a comprehensive model.

### ⭐⭐⭐⭐ Good with reservations
*by L***Y on March 19, 2026*

I bought this hoping for better results and I find the results to be more consistent than the Fenix watch. I have no way to determine the accuracy. It is certainly comfortable to wear to bed. The shortcoming seems to be battery life; I am recharging every 4-5 days. You would think that Garmin could have designed this with a longer lasting battery.

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**Shop now:** [https://www.desertcart.jp/products/748550196-garmin-index-sleep-monitor](https://www.desertcart.jp/products/748550196-garmin-index-sleep-monitor)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-12*