diff --git a/app/sleep-detail.tsx b/app/sleep-detail.tsx
index b81c589..8a18dcf 100644
--- a/app/sleep-detail.tsx
+++ b/app/sleep-detail.tsx
@@ -736,6 +736,109 @@ export default function SleepDetailScreen() {
             );
           })}
         </View>
+
+        {/* Raw Sleep Samples List - 显示所有原始睡眠数据 */}
+        {sleepData && sleepData.rawSleepSamples && sleepData.rawSleepSamples.length > 0 && (
+          <View style={[styles.rawSamplesContainer, { backgroundColor: colorTokens.background }]}>
+            <View style={styles.rawSamplesHeader}>
+              <Text style={[styles.rawSamplesTitle, { color: colorTokens.text }]}>
+                原始睡眠数据 ({sleepData.rawSleepSamples.length} 条记录)
+              </Text>
+              <Text style={[styles.rawSamplesSubtitle, { color: colorTokens.textSecondary }]}>
+                查看数据间隔和可能的gap
+              </Text>
+            </View>
+            
+            <ScrollView style={styles.rawSamplesScrollView} nestedScrollEnabled={true}>
+              {sleepData.rawSleepSamples.map((sample, index) => {
+                // 计算与前一个样本的时间间隔
+                const prevSample = index > 0 ? sleepData.rawSleepSamples[index - 1] : null;
+                let gapMinutes = 0;
+                let hasGap = false;
+                
+                if (prevSample) {
+                  const prevEndTime = new Date(prevSample.endDate).getTime();
+                  const currentStartTime = new Date(sample.startDate).getTime();
+                  gapMinutes = (currentStartTime - prevEndTime) / (1000 * 60);
+                  hasGap = gapMinutes > 1; // 大于1分钟视为有间隔
+                }
+
+                const startTime = formatTime(sample.startDate);
+                const endTime = formatTime(sample.endDate);
+                const duration = Math.round((new Date(sample.endDate).getTime() - new Date(sample.startDate).getTime()) / (1000 * 60));
+                
+                // 获取睡眠阶段中文名称
+                const getStageName = (value: string) => {
+                  switch (value) {
+                    case 'HKCategoryValueSleepAnalysisInBed': return '在床上';
+                    case 'HKCategoryValueSleepAnalysisAwake': return '清醒';
+                    case 'HKCategoryValueSleepAnalysisAsleepCore': return '核心睡眠';
+                    case 'HKCategoryValueSleepAnalysisAsleepDeep': return '深度睡眠'; 
+                    case 'HKCategoryValueSleepAnalysisAsleepREM': return 'REM睡眠';
+                    case 'HKCategoryValueSleepAnalysisAsleepUnspecified': return '未指定睡眠';
+                    default: return value;
+                  }
+                };
+
+                // 获取状态颜色
+                const getStageColor = (value: string) => {
+                  switch (value) {
+                    case 'HKCategoryValueSleepAnalysisInBed': return '#9CA3AF';
+                    case 'HKCategoryValueSleepAnalysisAwake': return '#F59E0B';
+                    case 'HKCategoryValueSleepAnalysisAsleepCore': return '#8B5CF6';
+                    case 'HKCategoryValueSleepAnalysisAsleepDeep': return '#3B82F6';
+                    case 'HKCategoryValueSleepAnalysisAsleepREM': return '#EC4899';
+                    case 'HKCategoryValueSleepAnalysisAsleepUnspecified': return '#6B7280';
+                    default: return '#6B7280';
+                  }
+                };
+
+                return (
+                  <View key={index}>
+                    {/* 显示数据间隔 */}
+                    {hasGap && (
+                      <View style={[styles.gapIndicator, { backgroundColor: colorTokens.pageBackgroundEmphasis }]}>
+                        <Ionicons name="alert-circle-outline" size={14} color="#F59E0B" />
+                        <Text style={[styles.gapText, { color: '#F59E0B' }]}>
+                          数据间隔: {Math.round(gapMinutes)}分钟
+                        </Text>
+                      </View>
+                    )}
+                    
+                    {/* 睡眠样本条目 */}
+                    <View style={[styles.rawSampleItem, { borderColor: colorTokens.border }]}>
+                      <View style={styles.sampleHeader}>
+                        <View style={styles.sampleLeft}>
+                          <View 
+                            style={[
+                              styles.stageDot, 
+                              { backgroundColor: getStageColor(sample.value) }
+                            ]} 
+                          />
+                          <Text style={[styles.sampleStage, { color: colorTokens.text }]}>
+                            {getStageName(sample.value)}
+                          </Text>
+                        </View>
+                        <Text style={[styles.sampleDuration, { color: colorTokens.textSecondary }]}>
+                          {duration}分钟
+                        </Text>
+                      </View>
+                      
+                      <View style={styles.sampleTimeRange}>
+                        <Text style={[styles.sampleTime, { color: colorTokens.textSecondary }]}>
+                          {startTime} - {endTime}
+                        </Text>
+                        <Text style={[styles.sampleIndex, { color: colorTokens.textMuted }]}>
+                          #{index + 1}
+                        </Text>
+                      </View>
+                    </View>
+                  </View>
+                );
+              })}
+            </ScrollView>
+          </View>
+        )}
       </ScrollView>
 
       {infoModal.type && (
@@ -1388,4 +1491,92 @@ const styles = StyleSheet.create({
     lineHeight: 16,
     marginBottom: 4,
   },
+  // Raw Sleep Samples List 样式
+  rawSamplesContainer: {
+    borderRadius: 16,
+    padding: 16,
+    marginBottom: 24,
+    marginHorizontal: 4,
+    shadowColor: '#000',
+    shadowOffset: { width: 0, height: 2 },
+    shadowOpacity: 0.1,
+    shadowRadius: 8,
+    elevation: 3,
+  },
+  rawSamplesHeader: {
+    marginBottom: 16,
+  },
+  rawSamplesTitle: {
+    fontSize: 16,
+    fontWeight: '600',
+    marginBottom: 4,
+  },
+  rawSamplesSubtitle: {
+    fontSize: 12,
+    fontWeight: '500',
+  },
+  rawSamplesScrollView: {
+    maxHeight: 400, // 限制高度,避免列表过长
+  },
+  rawSampleItem: {
+    paddingVertical: 12,
+    paddingHorizontal: 16,
+    borderLeftWidth: 3,
+    borderLeftColor: 'transparent',
+    marginBottom: 8,
+    borderRadius: 8,
+    backgroundColor: 'rgba(248, 250, 252, 0.5)',
+  },
+  sampleHeader: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'center',
+    marginBottom: 4,
+  },
+  sampleLeft: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    flex: 1,
+  },
+  stageDot: {
+    width: 8,
+    height: 8,
+    borderRadius: 4,
+    marginRight: 8,
+  },
+  sampleStage: {
+    fontSize: 14,
+    fontWeight: '500',
+    flex: 1,
+  },
+  sampleDuration: {
+    fontSize: 12,
+    fontWeight: '600',
+  },
+  sampleTimeRange: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'center',
+  },
+  sampleTime: {
+    fontSize: 12,
+  },
+  sampleIndex: {
+    fontSize: 10,
+    fontWeight: '500',
+  },
+  gapIndicator: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    paddingVertical: 8,
+    paddingHorizontal: 12,
+    marginVertical: 4,
+    borderRadius: 8,
+    gap: 6,
+  },
+  gapText: {
+    fontSize: 12,
+    fontWeight: '600',
+  },
 });
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index bf32659..edc25d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "1.0.2",
       "dependencies": {
         "@expo/vector-icons": "^14.1.0",
+        "@kingstinct/react-native-healthkit": "^10.1.0",
         "@react-native-async-storage/async-storage": "^2.2.0",
         "@react-native-community/datetimepicker": "^8.4.4",
         "@react-native-masked-view/masked-view": "^0.3.2",
@@ -55,6 +56,7 @@
         "react-native-image-viewing": "^0.2.2",
         "react-native-markdown-display": "^7.0.2",
         "react-native-modal-datetime-picker": "^18.0.0",
+        "react-native-nitro-modules": "^0.29.3",
         "react-native-popover-view": "^6.1.0",
         "react-native-purchases": "^9.2.2",
         "react-native-reanimated": "~3.17.4",
@@ -2728,6 +2730,21 @@
         "react-native": "*"
       }
     },
+    "node_modules/@kingstinct/react-native-healthkit": {
+      "version": "10.1.0",
+      "resolved": "https://mirrors.tencent.com/npm/@kingstinct/react-native-healthkit/-/react-native-healthkit-10.1.0.tgz",
+      "integrity": "sha512-p6f3Uf4p6GXs+8xIc5NHu8DPnNJC9kxGvI+4qmgGk5U24hVZBZFAwFT53jkQMoIHZIoQmtuXJDp8jMJ7WzeZ+Q==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/kingstinct"
+      },
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*",
+        "react-native-nitro-modules": "*"
+      }
+    },
     "node_modules/@napi-rs/wasm-runtime": {
       "version": "0.2.12",
       "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-0.2.12.tgz",
@@ -11732,6 +11749,17 @@
         "react-native": ">=0.65.0"
       }
     },
+    "node_modules/react-native-nitro-modules": {
+      "version": "0.29.3",
+      "resolved": "https://mirrors.tencent.com/npm/react-native-nitro-modules/-/react-native-nitro-modules-0.29.3.tgz",
+      "integrity": "sha512-gGaCueHKaZSw2rlrKrPgMZE6O6qvsnTJwNysJgk4ZEHMwnVe6Auk5hc4+sJPQLOVd6o+HMHdVhVQhZZv1u19Eg==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/react-native-popover-view": {
       "version": "6.1.0",
       "resolved": "https://mirrors.tencent.com/npm/react-native-popover-view/-/react-native-popover-view-6.1.0.tgz",
diff --git a/package.json b/package.json
index 0647ddc..5232473 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
   },
   "dependencies": {
     "@expo/vector-icons": "^14.1.0",
+    "@kingstinct/react-native-healthkit": "^10.1.0",
     "@react-native-async-storage/async-storage": "^2.2.0",
     "@react-native-community/datetimepicker": "^8.4.4",
     "@react-native-masked-view/masked-view": "^0.3.2",
@@ -27,6 +28,7 @@
     "dayjs": "^1.11.13",
     "expo": "53.0.22",
     "expo-apple-authentication": "~7.2.4",
+    "expo-background-task": "~0.2.8",
     "expo-blur": "~14.1.5",
     "expo-camera": "^16.1.11",
     "expo-constants": "~17.1.7",
@@ -58,6 +60,7 @@
     "react-native-image-viewing": "^0.2.2",
     "react-native-markdown-display": "^7.0.2",
     "react-native-modal-datetime-picker": "^18.0.0",
+    "react-native-nitro-modules": "^0.29.3",
     "react-native-popover-view": "^6.1.0",
     "react-native-purchases": "^9.2.2",
     "react-native-reanimated": "~3.17.4",
@@ -69,8 +72,7 @@
     "react-native-web": "~0.20.0",
     "react-native-webview": "13.13.5",
     "react-native-wheel-picker-expo": "^0.5.4",
-    "react-redux": "^9.2.0",
-    "expo-background-task": "~0.2.8"
+    "react-redux": "^9.2.0"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2",
@@ -80,4 +82,4 @@
     "typescript": "~5.8.3"
   },
   "private": true
-}
\ No newline at end of file
+}
diff --git a/services/sleepService.ts b/services/sleepService.ts
index 4adaae9..c56c624 100644
--- a/services/sleepService.ts
+++ b/services/sleepService.ts
@@ -320,37 +320,27 @@ export async function fetchSleepDetailForDate(date: Date): Promise<SleepDetailDa
     }
 
     // 找到入睡时间和起床时间
-    // 过滤出实际睡眠阶段（排除在床时间和清醒时间）
-    const actualSleepSamples = sleepSamples.filter(sample =>
-      sample.value !== SleepStage.InBed && sample.value !== SleepStage.Awake
-    );
-
-    // 入睡时间：第一个实际睡眠阶段的开始时间
-    // 起床时间：最后一个实际睡眠阶段的结束时间
+    // 使用所有样本数据来确定完整的睡眠周期（包含清醒时间）
     let bedtime: string;
     let wakeupTime: string;
 
-    if (actualSleepSamples.length > 0) {
+    if (sleepSamples.length > 0) {
       // 按开始时间排序
-      const sortedSleepSamples = actualSleepSamples.sort((a, b) =>
+      const sortedSamples = sleepSamples.sort((a, b) =>
         new Date(a.startDate).getTime() - new Date(b.startDate).getTime()
       );
 
-      bedtime = sortedSleepSamples[0].startDate;
-      wakeupTime = sortedSleepSamples[sortedSleepSamples.length - 1].endDate;
+      // 入睡时间：第一个样本的开始时间（包含清醒时间，确保完整性）
+      bedtime = sortedSamples[0].startDate;
+      // 起床时间：最后一个样本的结束时间
+      wakeupTime = sortedSamples[sortedSamples.length - 1].endDate;
 
       console.log('计算入睡和起床时间:');
       console.log('- 入睡时间:', dayjs(bedtime).format('YYYY-MM-DD HH:mm:ss'));
       console.log('- 起床时间:', dayjs(wakeupTime).format('YYYY-MM-DD HH:mm:ss'));
     } else {
-      // 如果没有实际睡眠数据，回退到使用所有样本数据
-      console.warn('没有找到实际睡眠阶段数据，使用所有样本数据');
-      const sortedAllSamples = sleepSamples.sort((a, b) =>
-        new Date(a.startDate).getTime() - new Date(b.startDate).getTime()
-      );
-
-      bedtime = sortedAllSamples[0].startDate;
-      wakeupTime = sortedAllSamples[sortedAllSamples.length - 1].endDate;
+      console.warn('没有找到睡眠样本数据');
+      return null;
     }
 
     // 计算在床时间 - 使用 INBED 样本数据
@@ -380,7 +370,6 @@ export async function fetchSleepDetailForDate(date: Date): Promise<SleepDetailDa
     // 计算睡眠阶段统计
     const sleepStages = calculateSleepStageStats(sleepSamples);
 
-    // 计算总睡眠时间
     const totalSleepTime = sleepStages
       .reduce((total, stage) => total + stage.duration, 0);
 
@@ -401,6 +390,19 @@ export async function fetchSleepDetailForDate(date: Date): Promise<SleepDetailDa
     // 获取质量描述和建议
     const qualityInfo = getSleepQualityInfo(sleepScore);
 
+    // 详细的调试信息
+    console.log('=== 睡眠数据处理结果 ===');
+    console.log('时间范围:', dayjs(bedtime).format('HH:mm'), '-', dayjs(wakeupTime).format('HH:mm'));
+    console.log('在床时间:', timeInBed, '分钟');
+    console.log('总睡眠时间:', totalSleepTime, '分钟');
+    console.log('睡眠效率:', sleepEfficiency, '%');
+    console.log('睡眠阶段统计:');
+    sleepStages.forEach(stage => {
+      console.log(`  ${getSleepStageDisplayName(stage.stage)}: ${stage.duration}分钟 (${stage.percentage}%)`);
+    });
+
+    console.log('========================');
+
     const sleepDetailData: SleepDetailData = {
       sleepScore,
       totalSleepTime,
@@ -417,7 +419,7 @@ export async function fetchSleepDetailForDate(date: Date): Promise<SleepDetailDa
       recommendation: qualityInfo.recommendation
     };
 
-    console.log('睡眠详情数据获取完成:', sleepDetailData);
+    console.log('睡眠详情数据获取完成，睡眠得分:', sleepScore);
     return sleepDetailData;
 
   } catch (error) {