---
title: sleepAnalysis
framework: healthkit
role: symbol
role_heading: Type Property
path: healthkit/hkcategorytypeidentifier/sleepanalysis
---

# sleepAnalysis

A category sample type for sleep analysis information.

## Declaration

```swift
static let sleepAnalysis: HKCategoryTypeIdentifier
```

## Mentioned in

Saving data to HealthKit

## Discussion

Discussion These samples use values from the HKCategoryValueSleepAnalysis enum. For best results when analyzing sleep samples, it’s recommended that you use HKMetadataKeyTimeZone to store time zone metadata with your sleep sample data.

## See Also

### Mindfulness and sleep

- [mindfulSession](healthkit/hkcategorytypeidentifier/mindfulsession.md)
- [appleSleepingWristTemperature](healthkit/hkquantitytypeidentifier/applesleepingwristtemperature.md)
- [HKAppleSleepingBreathingDisturbancesClassification](healthkit/hkapplesleepingbreathingdisturbancesclassification.md)