diff --git a/src/lib/prisma.ts b/src/lib/prisma.ts
index 4b910f00..2abf230c 100644
--- a/src/lib/prisma.ts
+++ b/src/lib/prisma.ts
@@ -23,15 +23,15 @@ const POSTGRESQL_DATE_FORMATS = {
   year: 'YYYY-01-01',
 };
 
-function getAddMinutesQuery(field: string, minutes: number): string {
+function getAddIntervalQuery(field: string, interval: string): string {
   const db = getDatabaseType(process.env.DATABASE_URL);
 
   if (db === POSTGRESQL) {
-    return `${field} + interval '${minutes} minute'`;
+    return `${field} + interval '${interval}'`;
   }
 
   if (db === MYSQL) {
-    return `DATE_ADD(${field}, interval ${minutes} minute)`;
+    return `DATE_ADD(${field}, interval ${interval})`;
   }
 }
 
@@ -80,15 +80,15 @@ function getDateQuery(field: string, unit: string, timezone?: string): string {
   }
 }
 
-function getTimestampIntervalQuery(field: string): string {
+function getTimestampDiffQuery(field1: string, field2: string): string {
   const db = getDatabaseType();
 
   if (db === POSTGRESQL) {
-    return `floor(extract(epoch from max(${field}) - min(${field})))`;
+    return `floor(extract(epoch from (${field2} - ${field1})))`;
   }
 
   if (db === MYSQL) {
-    return `floor(unix_timestamp(max(${field})) - unix_timestamp(min(${field})))`;
+    return `timestampdiff(second, ${field1}, ${field2})`;
   }
 }
 
@@ -216,11 +216,11 @@ function getSearchMode(): { mode?: Prisma.QueryMode } {
 
 export default {
   ...prisma,
-  getAddMinutesQuery,
+  getAddIntervalQuery,
   getDayDiffQuery,
   getCastColumnQuery,
   getDateQuery,
-  getTimestampIntervalQuery,
+  getTimestampDiffQuery,
   getFilterQuery,
   parseFilters,
   getPageFilters,
diff --git a/src/queries/analytics/getWebsiteStats.ts b/src/queries/analytics/getWebsiteStats.ts
index 654a09a9..4dbdb462 100644
--- a/src/queries/analytics/getWebsiteStats.ts
+++ b/src/queries/analytics/getWebsiteStats.ts
@@ -12,7 +12,8 @@ export async function getWebsiteStats(...args: [websiteId: string, filters: Quer
 }
 
 async function relationalQuery(websiteId: string, filters: QueryFilters) {
-  const { getDateQuery, getTimestampIntervalQuery, parseFilters, rawQuery } = prisma;
+  const { getDateQuery, getAddIntervalQuery, getTimestampDiffQuery, parseFilters, rawQuery } =
+    prisma;
   const { filterQuery, joinSession, params } = await parseFilters(websiteId, {
     ...filters,
     eventType: EVENT_TYPE.pageView,
@@ -24,13 +25,16 @@ async function relationalQuery(websiteId: string, filters: QueryFilters) {
       sum(t.c) as "pageviews",
       count(distinct t.session_id) as "uniques",
       sum(case when t.c = 1 then 1 else 0 end) as "bounces",
-      sum(t.time) as "totaltime"
+      sum(case when t.max_time < ${getAddIntervalQuery('t.min_time', '1 hour')}
+        then ${getTimestampDiffQuery('t.min_time', 't.max_time')}
+        else 0 end) as "totaltime"
     from (
       select
         website_event.session_id,
-        ${getDateQuery('website_event.created_at', 'hour')},
-        count(*) as c,
-        ${getTimestampIntervalQuery('website_event.created_at')} as "time"
+        ${getDateQuery('website_event.created_at', 'day')},
+        count(*) as "c",
+        min(website_event.created_at) as "min_time",
+        max(website_event.created_at) as "max_time"
       from website_event
       join website 
         on website_event.website_id = website.website_id
diff --git a/src/queries/analytics/reports/getFunnel.ts b/src/queries/analytics/reports/getFunnel.ts
index 8dbd8d45..4387cf09 100644
--- a/src/queries/analytics/reports/getFunnel.ts
+++ b/src/queries/analytics/reports/getFunnel.ts
@@ -35,7 +35,7 @@ async function relationalQuery(
   }[]
 > {
   const { windowMinutes, startDate, endDate, urls } = criteria;
-  const { rawQuery, getAddMinutesQuery } = prisma;
+  const { rawQuery, getAddIntervalQuery } = prisma;
   const { levelQuery, sumQuery } = getFunnelQuery(urls, windowMinutes);
 
   function getFunnelQuery(
@@ -58,9 +58,9 @@ async function relationalQuery(
             join website_event we
                 on l.session_id = we.session_id
             where we.website_id = {{websiteId::uuid}}
-                and we.created_at between l.created_at and ${getAddMinutesQuery(
+                and we.created_at between l.created_at and ${getAddIntervalQuery(
                   `l.created_at `,
-                  windowMinutes,
+                  `${windowMinutes} minute`,
                 )}
                 and we.referrer_path = {{${i - 1}}}
                 and we.url_path = {{${i}}}