diff --git a/markov-bot.py b/markov-bot.py
index aa5b085..22d74c6 100755
--- a/markov-bot.py
+++ b/markov-bot.py
@@ -51,7 +51,9 @@ class MyClient(discord.Client):
                     await channel.send(gen_sentence())
                 except:
                     pass
-            await asyncio.sleep(3600)
+                await asyncio.sleep((2700 + random.randrange(1800)) // min(max(len(self.guilds), 1), 100))
+                if self.is_closed():
+                    break
 
 client = MyClient()
 with open('token') as f: