diff --git a/packages/app-root/package.json b/packages/app-root/package.json
index 395a5743e1f..a1bae897cdd 100644
--- a/packages/app-root/package.json
+++ b/packages/app-root/package.json
@@ -25,7 +25,8 @@
     "panoptes-client": "~5.5.6",
     "react": "~18.2.0",
     "react-dom": "~18.2.0",
-    "styled-components": "~5.3.10"
+    "styled-components": "~5.3.10",
+    "swr": "~2.2.4"
   },
   "engines": {
     "node": ">=18.13"
diff --git a/packages/app-root/src/components/PageHeader.js b/packages/app-root/src/components/PageHeader.js
index b6d6a49db15..2ffc97a7d4a 100644
--- a/packages/app-root/src/components/PageHeader.js
+++ b/packages/app-root/src/components/PageHeader.js
@@ -1,13 +1,21 @@
 'use client'
 import ZooHeader from '@zooniverse/react-components/ZooHeader'
 
-import { usePanoptesUser } from '../hooks'
+import {
+  usePanoptesUser,
+  useUnreadMessages,
+  useUnreadNotifications
+} from '../hooks'
 
 export default function PageHeader() {
   const { data: user } = usePanoptesUser()
+  const { data: unreadMessages }= useUnreadMessages(user)
+  const { data: unreadNotifications }= useUnreadNotifications(user)
 
   return (
     <ZooHeader
+      unreadMessages={unreadMessages}
+      unreadNotifications={unreadNotifications}
       user={user}
     />
   )
diff --git a/packages/app-root/src/hooks/index.js b/packages/app-root/src/hooks/index.js
index 31b4d47326e..16926d8a139 100644
--- a/packages/app-root/src/hooks/index.js
+++ b/packages/app-root/src/hooks/index.js
@@ -1 +1,3 @@
 export { default as usePanoptesUser } from './usePanoptesUser.js'
+export { default as useUnreadMessages } from './useUnreadMessages.js'
+export { default as useUnreadNotifications } from './useUnreadNotifications.js'
diff --git a/packages/app-root/src/hooks/useUnreadMessages.js b/packages/app-root/src/hooks/useUnreadMessages.js
new file mode 100644
index 00000000000..cc348c8bb17
--- /dev/null
+++ b/packages/app-root/src/hooks/useUnreadMessages.js
@@ -0,0 +1,53 @@
+import { talkAPI } from '@zooniverse/panoptes-js'
+import auth from 'panoptes-client/lib/auth'
+import useSWR from 'swr'
+
+const SWROptions = {
+  revalidateIfStale: true,
+  revalidateOnMount: true,
+  revalidateOnFocus: true,
+  revalidateOnReconnect: true,
+  refreshInterval: 0
+}
+
+async function getUnreadConversationsIds(authorization) {
+  if (!authorization) return []
+
+  let unreadConversationsIds = []
+
+  async function getConversations (page = 1) {
+    const query = {
+      unread: true,
+      page: page
+    }
+
+    const response = await talkAPI.get('/conversations', query, { authorization })
+    const { meta, conversations } = response?.body || {}
+
+    if (conversations && conversations.length) {
+      unreadConversationsIds = unreadConversationsIds.concat(
+        conversations.map(conversation => conversation.id)
+      )
+    }
+
+    if (meta?.next_page) {
+      return getConversations(meta.next_page)
+    }
+
+    return unreadConversationsIds
+  }
+
+  return getConversations(1)
+}
+
+async function fetchUnreadMessages(user) {
+  const token = await auth.checkBearerToken()
+  const authorization = `Bearer ${token}`
+
+  const unreadConversationsIds = await getUnreadConversationsIds(authorization)
+  return unreadConversationsIds.length
+}
+
+export default function useUnreadMessages(user) {
+  return useSWR(user, fetchUnreadMessages, SWROptions)
+}
diff --git a/packages/app-root/src/hooks/useUnreadNotifications.js b/packages/app-root/src/hooks/useUnreadNotifications.js
new file mode 100644
index 00000000000..6dd105a0ddd
--- /dev/null
+++ b/packages/app-root/src/hooks/useUnreadNotifications.js
@@ -0,0 +1,34 @@
+import { talkAPI } from '@zooniverse/panoptes-js'
+import auth from 'panoptes-client/lib/auth'
+import useSWR from 'swr'
+
+const SWROptions = {
+  revalidateIfStale: true,
+  revalidateOnMount: true,
+  revalidateOnFocus: true,
+  revalidateOnReconnect: true,
+  refreshInterval: 0
+}
+
+async function getUnreadNotificationsCount(authorization) {
+  if (!authorization) return undefined
+
+  const query = {
+    delivered: false,
+    page_size: 1
+  }
+
+  const response = await talkAPI.get('/notifications', query, { authorization })
+  return response?.body?.meta?.notifications?.count
+}
+
+async function fetchUnreadNotifications(user) {
+  const token = await auth.checkBearerToken()
+  const authorization = `Bearer ${token}`
+
+  return await getUnreadNotificationsCount(authorization)
+}
+
+export default function useUnreadMessages(user) {
+  return useSWR(user, fetchUnreadNotifications, SWROptions)
+}
diff --git a/yarn.lock b/yarn.lock
index 1a5ee4e2662..1236344f4bf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2335,34 +2335,6 @@
     uuid "^9.0.0"
     ws "^7.5.9"
 
-"@newrelic/security-agent@0.3.0":
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/@newrelic/security-agent/-/security-agent-0.3.0.tgz#95c171b80779c48a2deec8e158e9b3e8eae275fa"
-  integrity sha512-HdaznRDgUNmTvemuFoFzmv25BI/CMjjFWptMhC5E5PV1HiYJzGnFN0acMKabvqOu+3H0QuDFoKehxqA/4w/xsg==
-  dependencies:
-    "@aws-sdk/client-lambda" "^3.363.0"
-    axios "0.21.4"
-    check-disk-space "3.3.1"
-    content-type "^1.0.5"
-    fast-safe-stringify "^2.1.1"
-    find-package-json "^1.2.0"
-    hash.js "^1.1.7"
-    html-entities "^2.3.6"
-    is-invalid-path "^1.0.2"
-    js-yaml "^4.1.0"
-    jsonschema "^1.4.1"
-    lodash "^4.17.21"
-    log4js "^6.9.1"
-    pretty-bytes "^5.6.0"
-    request-ip "^3.3.0"
-    ringbufferjs "^2.0.0"
-    semver "^7.5.4"
-    sync-request "^6.1.0"
-    unescape "^1.0.1"
-    unescape-js "^1.1.4"
-    uuid "^9.0.0"
-    ws "^7.5.9"
-
 "@newrelic/superagent@^7.0.0":
   version "7.0.0"
   resolved "https://registry.npmjs.org/@newrelic/superagent/-/superagent-7.0.0.tgz"
@@ -16557,7 +16529,7 @@ swc-loader@^0.2.3:
   resolved "https://registry.npmjs.org/swc-loader/-/swc-loader-0.2.3.tgz"
   integrity sha512-D1p6XXURfSPleZZA/Lipb3A8pZ17fP4NObZvFCDjK/OKljroqDpPmsBdTraWhVBqUNpcWBQY1imWdoPScRlQ7A==
 
-swr@~2.2.0:
+swr@~2.2.0, swr@~2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/swr/-/swr-2.2.4.tgz#03ec4c56019902fbdc904d78544bd7a9a6fa3f07"
   integrity sha512-njiZ/4RiIhoOlAaLYDqwz5qH/KZXVilRLvomrx83HjzCWTfa+InyfAjv05PSFxnmLzZkNO9ZfvgoqzAaEI4sGQ==