getHeartRateVariabilitySamples

Query for resting SDNN Heart Rate Variability samples. The options object is used to setup a query to retrieve relevant samples.
Example input options:
let options = {
unit: 'second', // optional; default 'second'
startDate: new Date(2021, 0, 0).toISOString(), // required
endDate: new Date().toISOString(), // optional; default now
ascending: false, // optional; default false
limit: 10, // optional; default no limit
}
AppleHealthKit.getHeartRateVariabilitySamples(
options,
(err: Object, results: Array<HealthValue>) => {
if (err) {
return
}
console.log(results)
},
)
Example output:
[
{
"id": "5013eca7-4aee-45af-83c1-dbe3696b2e51", // The universally unique identifier (UUID) for this HealthKit object.
"value": 0.4223,
"startDate": "2016-03-12T13:22:00.000-0400",
"endDate": "2016-03-12T13:22:00.000-0400",
"metadata": {
"HKWasUserEntered": false
}
}
]