diff --git a/SleepFocus/Components/Settings/SettingsMainView.swift b/SleepFocus/Components/Settings/SettingsMainView.swift
index 8bb2544..7201850 100644
--- a/SleepFocus/Components/Settings/SettingsMainView.swift
+++ b/SleepFocus/Components/Settings/SettingsMainView.swift
@@ -6,22 +6,24 @@ struct SettingsMainView: View {
     @EnvironmentObject var appearanceStore: AppearanceStore
     @StateObject private var healthAuth = HealthAuth()
     @AppStorage("settings.soundsEnabled") private var soundsEnabled = true
-    
+
     var body: some View {
         ScrollView {
             VStack(spacing: 12) {
                 SettingsHeaderView()
-                
+
                 ProfileSection(navigateTo: navigationManager.navigateTo)
-                
+
+                BehaviorProfileSection()
+
                 NotificationsSection()
-                
+
                 HealthKitSection(healthAuth: healthAuth)
-                
+
                 SleepSettingsSection(navigateTo: navigationManager.navigateTo)
-                
+
                 FocusSettingsSection(navigateTo: navigationManager.navigateTo)
-                
+
                 AppSettingsSection(
                     appearanceMode: Binding(
                         get: { appearanceStore.mode },
@@ -29,16 +31,16 @@ struct SettingsMainView: View {
                     ),
                     soundsEnabled: $soundsEnabled
                 )
-                
+
                 GeneralSettingsSection(navigateTo: navigationManager.navigateTo)
-                
+
                 DeveloperSection(
                     navigateTo: navigationManager.navigateTo,
                     clearLocalScoreFetchStorage: clearLocalScoreFetchStorage
                 )
-                
+
                 SignOutSection()
-                
+
                 AppVersionFooter()
             }
             .padding(.horizontal, 16)
@@ -54,6 +56,152 @@ struct SettingsMainView: View {
         DeveloperStorageTools.clearScoreFetchStorage()
     }
 }
+
+// MARK: - Behavior Profile Section
+
+struct BehaviorProfileSection: View {
+    @EnvironmentObject var behaviorStore: BehaviorProfileStore
+
+    var body: some View {
+        VStack(alignment: .leading, spacing: 8) {
+            Text("Sleep Factors")
+                .font(.system(size: 13, weight: .semibold))
+                .foregroundColor(.appSecondaryText)
+                .padding(.horizontal, 4)
+
+            VStack(spacing: 0) {
+                ForEach(allQuestions) { question in
+                    BehaviorFactorRow(
+                        question: question,
+                        answer: behaviorStore.profile[keyPath: question.keyPath],
+                        onSelect: { newAnswer in
+                            behaviorStore.profile[keyPath: question.keyPath] = newAnswer
+                            behaviorStore.save()
+                        }
+                    )
+
+                    if question.id != allQuestions.last?.id {
+                        Divider().padding(.leading, 56)
+                    }
+                }
+            }
+            .background(Color.appCardBackground)
+            .cornerRadius(12)
+            .shadow(color: Color.black.opacity(0.05), radius: 2, x: 0, y: 1)
+        }
+    }
+}
+
+// MARK: - Behavior Factor Row
+
+private struct BehaviorFactorRow: View {
+    let question: BehaviorQuestion
+    let answer: BehaviorAnswer
+    let onSelect: (BehaviorAnswer) -> Void
+
+    @State private var isExpanded = false
+
+    var body: some View {
+        VStack(spacing: 0) {
+            Button(action: {
+                withAnimation(.easeInOut(duration: 0.2)) { isExpanded.toggle() }
+            }) {
+                HStack(spacing: 12) {
+                    Image(systemName: question.categoryIcon)
+                        .font(.system(size: 16))
+                        .foregroundColor(.systemIndigo)
+                        .frame(width: 28)
+
+                    VStack(alignment: .leading, spacing: 2) {
+                        Text(question.question)
+                            .font(.system(size: 15))
+                            .foregroundColor(.appPrimaryText)
+                            .multilineTextAlignment(.leading)
+
+                        Text(answer.rawValue)
+                            .font(.system(size: 13))
+                            .foregroundColor(.appSecondaryText)
+                    }
+
+                    Spacer()
+
+                    Image(systemName: isExpanded ? "chevron.up" : "chevron.down")
+                        .font(.system(size: 13, weight: .semibold))
+                        .foregroundColor(.appSecondaryText)
+                }
+                .padding(.horizontal, 16)
+                .padding(.vertical, 12)
+                .contentShape(Rectangle())
+            }
+            .buttonStyle(.plain)
+
+            if isExpanded {
+                VStack(spacing: 8) {
+                    ForEach(BehaviorAnswer.allCases, id: \.self) { option in
+                        Button(action: {
+                            onSelect(option)
+                            withAnimation { isExpanded = false }
+                        }) {
+                            HStack {
+                                Text(labelText(for: option))
+                                    .font(.system(size: 14, weight: .medium))
+                                    .foregroundColor(answer == option ? .white : .appPrimaryText)
+                                Spacer()
+                                if answer == option {
+                                    Image(systemName: "checkmark.circle.fill")
+                                        .foregroundColor(.white)
+                                }
+                            }
+                            .padding(.horizontal, 16)
+                            .padding(.vertical, 10)
+                            .background(answer == option ? Color.systemIndigo : Color.appCardSecondaryBackground)
+                            .cornerRadius(10)
+                        }
+                        .buttonStyle(.plain)
+                    }
+                }
+                .padding(.horizontal, 12)
+                .padding(.bottom, 12)
+                .transition(.opacity.combined(with: .move(edge: .top)))
+            }
+        }
+    }
+
+    private func labelText(for option: BehaviorAnswer) -> String {
+        switch option {
+        case .yes: return question.yesLabel
+        case .sometimes: return "Sometimes"
+        case .no: return question.noLabel
+        }
+    }
+}
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