diff --git a/cmd/apollo-worker/main.go b/cmd/apollo-worker/main.go
index 59bb1a8..a67b621 100644
--- a/cmd/apollo-worker/main.go
+++ b/cmd/apollo-worker/main.go
@@ -64,7 +64,7 @@ func accountWorker(id int, rc *reddit.Client, db *sql.DB, logger *log.Logger, qu
 			}
 
 			query := `
-				SELECT id, access_token, refresh_token, expires_at, last_message_id FROM accounts
+				SELECT id, access_token, refresh_token, expires_at, last_message_id, last_checked_at FROM accounts
 				WHERE last_checked_at <= $1 - 5
 				ORDER BY last_checked_at
 				LIMIT 1
@@ -72,7 +72,7 @@ func accountWorker(id int, rc *reddit.Client, db *sql.DB, logger *log.Logger, qu
 			args := []interface{}{now}
 
 			account := &data.Account{}
-			err = tx.QueryRow(query, args...).Scan(&account.ID, &account.AccessToken, &account.RefreshToken, &account.ExpiresAt, &account.LastMessageID)
+			err = tx.QueryRow(query, args...).Scan(&account.ID, &account.AccessToken, &account.RefreshToken, &account.ExpiresAt, &account.LastMessageID, &account.LastCheckedAt)
 
 			if account.ID == 0 {
 				time.Sleep(100 * time.Millisecond)
@@ -80,6 +80,7 @@ func accountWorker(id int, rc *reddit.Client, db *sql.DB, logger *log.Logger, qu
 				continue
 			}
 
+			statsd.Histogram("apollo.notification.latency", (now - 5 - account.LastCheckedAt))
 			logger.Printf("Worker #%d, account %d", id, account.ID)
 
 			_, err = tx.Exec(`UPDATE accounts SET last_checked_at = $1 WHERE id = $2`, now, account.ID)
diff --git a/go.mod b/go.mod
index a4785b5..980ed73 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,8 @@ module github.com/christianselig/apollo-backend
 go 1.16
 
 require (
+	github.com/DataDog/datadog-go v4.8.0+incompatible // indirect
+	github.com/Microsoft/go-winio v0.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
 	github.com/joho/godotenv v1.3.0
diff --git a/go.sum b/go.sum
index b1edc5a..df224a0 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,7 @@
+github.com/DataDog/datadog-go v4.8.0+incompatible h1:vjzonG+3XzZgYrumNmdrA4QpXju/ZXrwb0mRjpYYbuo=
+github.com/DataDog/datadog-go v4.8.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
+github.com/Microsoft/go-winio v0.5.0 h1:Elr9Wn+sGKPlkaBvwu4mTrxtmOp3F3yV9qhaHbXGjwU=
+github.com/Microsoft/go-winio v0.5.0/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -9,11 +13,14 @@ github.com/julienschmidt/httprouter v1.3.0 h1:U0609e9tgbseu3rBINet9P48AI/D3oJs4d
 github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
 github.com/lib/pq v1.10.1 h1:6VXZrLU0jHBYyAqrSPa+MgPfnSvTPuMgK+k0o5kVFWo=
 github.com/lib/pq v1.10.1/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sideshow/apns2 v0.20.0 h1:5Lzk4DUq+waVc6/BkKzpDTpQjtk/BZOP0YsayBpY1NE=
 github.com/sideshow/apns2 v0.20.0/go.mod h1:f7dArLPLbiZ3qPdzzrZXdCSlMp8FD0p6z7tHssDOLvk=
+github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -24,7 +31,10 @@ golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb h1:eBmm0M9fYhWpKZLjQUUKka/Lt
 golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=