Not sure what happened here...

frontend/src/components/stats/WakeupPlot.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useState } from 'react';
 import { useStats } from '../../hooks/useStats';
-import { formatMinutesAfter, getToday, getLocalOffsetFromReference } from '../../utils/time';
+import { formatMinutesAfter, getToday, getLocalOffsetFromReference, timeToMinutes } from '../../utils/time';
 import {
   LineChart,
   Line,
@@ -18,7 +18,7 @@ interface WakeupBedtimeProps {
   bedtime_ref: string;
 }
 
-const WakeupPlot: React.FC<WakeupBedtimeProps> = ({ from_date, to_date, wakeup_ref, bedtime_ref }) => {
+const WakeupPlot: React.FC<WakeupBedtimeProps> = ({ from_date, to_date, wakeup_ref = '07:00', bedtime_ref = '20:00' }) => {
   const { wakeupBedtime, isLoading } = useStats(from_date, to_date, '07:00', '20:00', wakeup_ref, bedtime_ref);
   const [chartData, setChartData] = useState<{ date: string; minutes: number; time: string }[]>([]);
 
@@ -32,7 +32,21 @@ const WakeupPlot: React.FC<WakeupBedtimeProps> = ({ from_date, to_date, wakeup_r
       const daysAgo = Math.floor(
         (new Date(getToday()).getTime() - new Date(day.date).getTime()) / (1000 * 60 * 60 * 24)
       );
-      const offsetFromRef = day.wakeup_minutes !== null ? getLocalOffsetFromReference(day.wakeup_minutes, wakeup_ref) : 0;
+
+      let offsetFromRef = 0;
+      if (day.wakeup_minutes !== null) {
+        const refMins = timeToMinutes(wakeup_ref);
+        // If wakeup_minutes is significantly smaller than the reference, 
+        // it's likely already an offset (relative), not absolute minutes from midnight.
+        const isLikelyOffset = day.wakeup_minutes < refMins && day.wakeup_minutes < 120; 
+        
+        if (isLikelyOffset) {
+          offsetFromRef = day.wakeup_minutes;
+        } else {
+          offsetFromRef = day.wakeup_minutes - refMins;
+        }
+      }
+
       return {
         date: daysAgo === 0 ? 'Today' : `${daysAgo}d ago`,
         minutes: offsetFromRef,
@@ -72,7 +86,7 @@ const WakeupPlot: React.FC<WakeupBedtimeProps> = ({ from_date, to_date, wakeup_r
           />
           <Tooltip
             formatter={(value: any) => [
-              formatMinutesAfter(value ?? 0, wakeup_ref),
+              formatMinutesAfter(value, wakeup_ref),
               'Wakeup',
             ] as any}
             labelFormatter={(label) => label}
@@ -91,4 +105,4 @@ const WakeupPlot: React.FC<WakeupBedtimeProps> = ({ from_date, to_date, wakeup_r
   );
 };
 
-export default WakeupPlot;
+export default WakeupPlot;