diff --git a/server/lib/Peer.js b/server/lib/Peer.js
index 70b2394..a345a16 100644
--- a/server/lib/Peer.js
+++ b/server/lib/Peer.js
@@ -23,10 +23,14 @@ class Peer extends EventEmitter
 
 		this._joined = false;
 
+		this._joinedTimestamp = null;
+
 		this._inLobby = false;
 
 		this._authenticated = false;
 
+		this._authenticatedTimestamp = null;
+
 		this._roles = [ userRoles.NORMAL ];
 
 		this._displayName = false;
@@ -39,6 +43,8 @@ class Peer extends EventEmitter
 
 		this._raisedHand = false;
 
+		this._raisedHandTimestamp = null;
+
 		this._transports = new Map();
 
 		this._producers = new Map();
@@ -135,9 +141,18 @@ class Peer extends EventEmitter
 
 	set joined(joined)
 	{
+		joined ?
+			this._joinedTimestamp = Date.now() :
+			this._joinedTimestamp = null;
+
 		this._joined = joined;
 	}
 
+	get joinedTimestamp()
+	{
+		return this._joinedTimestamp;
+	}
+
 	get inLobby()
 	{
 		return this._inLobby;
@@ -157,6 +172,10 @@ class Peer extends EventEmitter
 	{
 		if (authenticated !== this._authenticated)
 		{
+			authenticated ?
+				this._authenticatedTimestamp = Date.now() :
+				this._authenticatedTimestamp = null;
+
 			const oldAuthenticated = this._authenticated;
 
 			this._authenticated = authenticated;
@@ -165,6 +184,11 @@ class Peer extends EventEmitter
 		}
 	}
 
+	get authenticatedTimestamp()
+	{
+		return this._authenticatedTimestamp;
+	}
+
 	get roles()
 	{
 		return this._roles;
@@ -231,9 +255,18 @@ class Peer extends EventEmitter
 
 	set raisedHand(raisedHand)
 	{
+		raisedHand ?
+			this._raisedHandTimestamp = Date.now() :
+			this._raisedHandTimestamp = null;
+
 		this._raisedHand = raisedHand;
 	}
 
+	get raisedHandTimestamp()
+	{
+		return this._raisedHandTimestamp;
+	}
+
 	get transports()
 	{
 		return this._transports;
@@ -333,11 +366,12 @@ class Peer extends EventEmitter
 	{
 		const peerInfo =
 		{
-			id          : this.id,
-			displayName : this.displayName,
-			picture     : this.picture,
-			roles       : this.roles,
-			raisedHand  : this.raisedHand
+			id                  : this.id,
+			displayName         : this.displayName,
+			picture             : this.picture,
+			roles               : this.roles,
+			raisedHand          : this.raisedHand,
+			raisedHandTimestamp : this.raisedHandTimestamp
 		};
 
 		return peerInfo;