diff --git a/SleepDebt.xcodeproj/project.pbxproj b/SleepDebt.xcodeproj/project.pbxproj
index 6feddfa..d952570 100644
--- a/SleepDebt.xcodeproj/project.pbxproj
+++ b/SleepDebt.xcodeproj/project.pbxproj
@@ -11,6 +11,7 @@
 		6C560B872B495DED00FDB70C /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6C560B862B495DED00FDB70C /* ContentView.swift */; };
 		6C560B892B495DEE00FDB70C /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 6C560B882B495DEE00FDB70C /* Assets.xcassets */; };
 		6C560B8C2B495DEE00FDB70C /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 6C560B8B2B495DEE00FDB70C /* Preview Assets.xcassets */; };
+		6C560B932B495E3A00FDB70C /* HealthKitManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6C560B922B495E3A00FDB70C /* HealthKitManager.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -19,6 +20,8 @@
 		6C560B862B495DED00FDB70C /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
 		6C560B882B495DEE00FDB70C /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		6C560B8B2B495DEE00FDB70C /* Preview Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = "Preview Assets.xcassets"; sourceTree = "<group>"; };
+		6C560B922B495E3A00FDB70C /* HealthKitManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HealthKitManager.swift; sourceTree = "<group>"; };
+		6C560B942B49605000FDB70C /* SleepDebt.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = SleepDebt.entitlements; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -51,8 +54,10 @@
 		6C560B832B495DED00FDB70C /* SleepDebt */ = {
 			isa = PBXGroup;
 			children = (
+				6C560B942B49605000FDB70C /* SleepDebt.entitlements */,
 				6C560B842B495DED00FDB70C /* SleepDebtApp.swift */,
 				6C560B862B495DED00FDB70C /* ContentView.swift */,
+				6C560B922B495E3A00FDB70C /* HealthKitManager.swift */,
 				6C560B882B495DEE00FDB70C /* Assets.xcassets */,
 				6C560B8A2B495DEE00FDB70C /* Preview Content */,
 			);
@@ -139,6 +144,7 @@
 			files = (
 				6C560B872B495DED00FDB70C /* ContentView.swift in Sources */,
 				6C560B852B495DED00FDB70C /* SleepDebtApp.swift in Sources */,
+				6C560B932B495E3A00FDB70C /* HealthKitManager.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -269,12 +275,14 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_ENTITLEMENTS = SleepDebt/SleepDebt.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"SleepDebt/Preview Content\"";
 				DEVELOPMENT_TEAM = SSJBLTMP95;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_NSHealthShareUsageDescription = "Please allow access to your sleep data to enjoy the features of SleepDebt";
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
@@ -298,12 +306,14 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_ENTITLEMENTS = SleepDebt/SleepDebt.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"SleepDebt/Preview Content\"";
 				DEVELOPMENT_TEAM = SSJBLTMP95;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_NSHealthShareUsageDescription = "Please allow access to your sleep data to enjoy the features of SleepDebt";
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
diff --git a/SleepDebt/ContentView.swift b/SleepDebt/ContentView.swift
index 82e055b..dbc98ba 100644
--- a/SleepDebt/ContentView.swift
+++ b/SleepDebt/ContentView.swift
@@ -8,6 +8,7 @@
 import SwiftUI
 
 struct ContentView: View {
+    @EnvironmentObject var manager: HealthKitManager
     var body: some View {
         VStack {
             Image(systemName: "globe")
@@ -21,4 +22,5 @@ struct ContentView: View {
 
 #Preview {
     ContentView()
+        .environmentObject(HealthKitManager())
 }
diff --git a/SleepDebt/HealthKitManager.swift b/SleepDebt/HealthKitManager.swift
new file mode 100644
index 0000000..2d14dfa
--- /dev/null
+++ b/SleepDebt/HealthKitManager.swift
@@ -0,0 +1,30 @@
+//
+//  HealthKitManager.swift
+//  SleepDebt
+//
+//  Created by Oliver Hnát on 06.01.2024.
+//
+
+import Foundation
+import HealthKit
+
+class HealthKitManager: ObservableObject {
+    
+    let healthStore = HKHealthStore()
+    
+    init() {
+        let sleep = HKCategoryType(.sleepAnalysis)
+        
+        let healthTypes: Set = [sleep]
+        
+        Task {
+            do {
+                try await healthStore.requestAuthorization(toShare: [], read: healthTypes)
+            } catch {
+                print(error)
+            }
+        }
+    }
+    
+    
+}
diff --git a/SleepDebt/SleepDebt.entitlements b/SleepDebt/SleepDebt.entitlements
new file mode 100644
index 0000000..2ab14a2
--- /dev/null
+++ b/SleepDebt/SleepDebt.entitlements
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.developer.healthkit</key>
+	<true/>
+	<key>com.apple.developer.healthkit.access</key>
+	<array/>
+</dict>
+</plist>
diff --git a/SleepDebt/SleepDebtApp.swift b/SleepDebt/SleepDebtApp.swift
index 5362a65..6554880 100644
--- a/SleepDebt/SleepDebtApp.swift
+++ b/SleepDebt/SleepDebtApp.swift
@@ -9,9 +9,11 @@ import SwiftUI
 
 @main
 struct SleepDebtApp: App {
+    @StateObject var healthKitManager = HealthKitManager()
     var body: some Scene {
         WindowGroup {
             ContentView()
+                .environmentObject(healthKitManager)
         }
     }
 }