diff --git a/LoopFollow/Alarm/AlarmListView.swift b/LoopFollow/Alarm/AlarmListView.swift
index 3240208db..1a70e4c49 100644
--- a/LoopFollow/Alarm/AlarmListView.swift
+++ b/LoopFollow/Alarm/AlarmListView.swift
@@ -23,15 +23,21 @@ struct AlarmListView: View {
     @State private var deleteAfterDismiss: UUID?
     @State private var selectedAlarm: Alarm?
 
+    // Snapshot of "now" used to categorize snoozed vs. active alarms. SwiftUI does
+    // not re-render when the wall clock passes a snooze's expiry, so we refresh this
+    // whenever the screen appears or the app returns to the foreground.
+    @State private var now = Date()
+    @Environment(\.scenePhase) private var scenePhase
+
     // MARK: - Categorized Alarms
 
     private var snoozedAlarms: [Alarm] {
-        store.value.filter { $0.snoozedUntil ?? .distantPast > Date() && $0.isEnabled }
+        store.value.filter { $0.snoozedUntil ?? .distantPast > now && $0.isEnabled }
             .sorted(by: Alarm.byPriorityThenSpec)
     }
 
     private var activeAlarms: [Alarm] {
-        store.value.filter { $0.isEnabled && ($0.snoozedUntil ?? .distantPast <= Date()) }
+        store.value.filter { $0.isEnabled && ($0.snoozedUntil ?? .distantPast <= now) }
             .sorted(by: Alarm.byPriorityThenSpec)
     }
 
@@ -90,6 +96,10 @@ struct AlarmListView: View {
                 Button { sheetInfo = .picker } label: { Image(systemName: "plus") }
             }
         }
+        .onAppear { now = Date() }
+        .onChange(of: scenePhase) { phase in
+            if phase == .active { now = Date() }
+        }
         .preferredColorScheme(Storage.shared.appearanceMode.value.colorScheme)
     }
 
@@ -111,7 +121,7 @@ struct AlarmListView: View {
                     Text(alarm.name)
                         .foregroundColor(.primary)
 
-                    if let until = alarm.snoozedUntil, until > Date() {
+                    if let until = alarm.snoozedUntil, until > now {
                         HStack(spacing: 4) {
                             Image(systemName: "zzz")
                                 .font(.caption2)