Index Sleep Monitor

The most comfortable sleep you’ve ever tracked For a more comprehensive view of your fitness and recovery, the Index Sleep Monitor is the lightweight smart band that tracks your sleep1 while maximising comfort. Comfortable, breathable design worn on the upper armUp to 7 nights of battery lifeSleep tracking and recovery metricsBreathing variations throughout the night Skin temperature tracking for past ovulation estimates and more Machine-washable band for easy cleaning What you'll love Sleep Tracking How did you sleep? The Index Sleep Monitor gives you insight with sleep score, sleep stages, HRV status and more1, so you can better understand how well you recovered.Comfortable Design Worn on the upper arm, this lightweight and breathable smart sleep band comes in two sizes, allowing you to get the data you need without compromising comfort.Seamless Data SyncingThe Index Sleep Monitor seamlessly syncs your data with the Garmin Connect™ smartphone app. If you wear a compatible Garmin smartwatch during the day or a heart rate monitor during workouts, your data will seamlessly sync via Garmin Connect for more insight into your health and fitness.Breathing Variations For a closer glimpse of your health, the breathing variations feature uses Pulse Ox to help you better understand shifts in your breathing patterns as you sleep.Sleep Data IntegrationDon’t wear your compatible smartwatch to bed? The Index Sleep Monitor can help fill in the gaps. It provides the sleep data needed for a more complete picture of your training metrics, including training readiness, recovery time and more.Women’s HealthUsing skin temperature, get more insight into your menstrual cycle, including better period predictions and past ovulation estimates3. Track your menstrual cycle or pregnancy plus get exercise and nutrition education in the Garmin Connect app.Better Sleep, Better RecoveryHeart RateThe Index Sleep Monitor continuously samples your heart rate1 throughout the night to provide your resting heart rate.HRV StatusGain a deeper understanding of your overall health through heart rate variability while you sleepHealth StatusLook for changes in your health data that could indicate added stress to your body, so you can know when you’re trending away from your usual range. This feature is currently available in beta.Smart Wake AlarmWake up more refreshed. The smart wake alarm gently vibrates to wake you at the optimal time. Skin TemperatureSee how your average skin temperature changes, which can be related to your recent activity, sleep environment, potential illness and more. Pulse OX SensorTrack your blood oxygen saturation while you’re asleep. Body Battery Energy MonitoringSee your energy levels so you’ll know when your body is charged or needs more rest. If you wear a compatible smartwatch while awake, get a more complete picture of your energy levels - night and day.Stress TrackingFind out if you’re having calm, balanced or stressful sleep. RespirationSee how you’re breathing throughout the night.Machine WashableCleaning the monitor is simple. Just remove the module, and toss the band into the washing machine. Specification:What You'll LoveSleep Score and Insights: YesPulse Ox Blood Oxygen Saturation: YesWater Rating: ATMGeneralStrap Material: Soft, stretchy, breathable mix. 70% Nylon, 30% SpandexCase Material: PlasticPhysical Size:Module: 41.7 x 37.6 x 7.8 mm (1.6″ x1.5″ x 0.3″) Sleep band S-M: 326 x 63.5 x 0.55 mm (12.8″ x 2.5″ x 0.02″) Sleep band L-XL: 452 x 63.5 x 0.55 mm (17.8″ x 2.5″ x 0.02″)Weight: Module: 14.5 g (0.5 oz) Sleep band S-M: 15.8 g (0.6 oz) Sleep band L-XL: 20 g (0.7 oz)Battery Type: Lithium ionBattery Life: 7 nights with SPO2 during typical usage (8 hours of sleep)Charging Method: Garmin proprietary plug chargerClock Features:Alarm Clock: YesHealth & Wellness MonitoringResting Heart Rate: YesHeart Rate: YesRespiration Rate: YesBody Battery Energy Monitor: YesSleep: YesBreathing Variations: YesWomen's Health: YesPast Ovulation Estimates: YesSkin Temperature: YesSensorsPulse Ox Blood Oxygen Saturation Monitor: YesAccelerometer: Yes (for sleep)Daily Smart FeaturesConnectivity: BLE (BLUETOOTH Low Energy 5.0)Compatible with Garmin Connect™ Mobile: YesSmartphone Compatibility: iPhone®, Android™Activity tracking featuresTrueUp™: YesSecurity InformationSecurity updates until at least (YYYY-MM-DD): 2027-06-18In The Box:Index Sleep Monitor Charging/data cable Documentation