\n<\/p>\n
Garmin has announced a new sleep-tracking band that can be strapped to your upper arm, which could make it more comfortable to wear overnight. The Index Sleep Monitor tracks sleep stages, heart rate, and even your breathing to create a \u201ccomprehensive view of overall fitness and recovery,\u201d with a personalized sleep score delivered every morning so you know how well you slept, according to Garmin<\/a>.<\/p>\n<\/div>\n The Index Sleep Monitor is now available through Garmin\u2019s online store in S-M and L-XL sizes for $169.99. The tracking is handled by a small, removable electronic module that features motion sensors and an optical heart rate sensor that Garmin says will run for up to seven days between charges.<\/p>\n<\/div>\n In addition to tracking your light, deep, and REM sleep stages throughout the night, the Index can also measure your respiration rates, and, when paired with blood oxygen saturation measurements (a feature not available in all countries) it can help you \u201cbetter understand shifts in breathing patterns while sleeping.\u201d<\/p>\n<\/div>\n A thermometer monitors skin temperature, which can provide insights into how your environment is affecting your sleep while also flagging possible illnesses. Those temperature measurements also provide more insight into women\u2019s health monitoring, including menstrual cycles, \u201cimproved period predictions,\u201d and past ovulation estimates. However, Garmin says the Index is \u201cnot a medical device and is not intended for use in the diagnosis or monitoring of any medical condition.\u201d The company also says it should not be used as a conception or birth control tool.<\/p>\n<\/div>\n Other health-related metrics that are monitored and made available through the Garmin Connect mobile app include estimates on stress levels based on sleep patterns, a Body Battery measurement letting you know if you\u2019re low on energy and need more rest. Heart rate variability (HRV), which is a measure of the varying times between heartbeats, can also be used to assess if your body is dealing with increased stress or fatigue helping you know if you need to address issues with your sleep.<\/p>\n<\/div>\n