diff --git a/jarvis_tasks/tasks/ban.py b/jarvis_tasks/tasks/ban.py
index 8e2c65d..8b1d332 100644
--- a/jarvis_tasks/tasks/ban.py
+++ b/jarvis_tasks/tasks/ban.py
@@ -1,21 +1,23 @@
 """JARVIS ban tasks."""
 import asyncio
 from datetime import datetime, timedelta
+from logging import Logger
 
 from dis_snek import Snake
 from jarvis_core.db import q
 from jarvis_core.db.models import Ban, Unban
 
 
-async def unban(bot: Snake) -> None:
+async def unban(bot: Snake, logger: Logger) -> None:
     """
     Unban users when ban expires.
 
     Args:
         bot: Snake instance
+        logger: Global logger
     """
     while True:
-        asyncio.sleep(600)
+        await asyncio.sleep(600)
         max_time = datetime.utcnow() + timedelta(minutes=10)
         bans = Ban.find(q(type="temp", active=True))
         async for ban in bans:
diff --git a/jarvis_tasks/tasks/reminder.py b/jarvis_tasks/tasks/reminder.py
index faa1351..f02cda5 100644
--- a/jarvis_tasks/tasks/reminder.py
+++ b/jarvis_tasks/tasks/reminder.py
@@ -1,6 +1,7 @@
 """JARVIS reminders."""
 import asyncio
 from datetime import datetime, timedelta
+from logging import Logger
 
 from dis_snek import Snake
 from jarvis_core.db import q
@@ -8,12 +9,13 @@ from jarvis_core.db.models import Reminder
 from jarvis_core.util import build_embed
 
 
-async def remind(bot: Snake) -> None:
+async def remind(bot: Snake, logger: Logger) -> None:
     """
     Run reminders in the background.
 
     Args:
         bot: Snake instance
+        logger: Global logger
     """
     while True:
         await asyncio.sleep(5)
@@ -23,6 +25,7 @@ async def remind(bot: Snake) -> None:
         async for reminder in reminders:
             user = await bot.fetch_user(reminder.user)
             if not user:
+                logger.debug(f"Failed to get user with ID {reminder.user}")
                 await reminder.delete()
                 continue
 
@@ -37,20 +40,32 @@ async def remind(bot: Snake) -> None:
 
             try:
                 await user.send(embed=embed)
+                logger.debug(f"Reminder {reminder.id} sent to user")
+                await reminder.delete()
             except Exception:
+                logger.debug("User has closed DMs")
                 guild = await bot.fetch_guild(reminder.guild)
                 member = await bot.fetch_member(user.id)
                 if not member:
+                    logger.debug("User no longer member of origin guild, deleting reminder")
+                    await reminder.delete()
                     continue
                 channel = await guild.fetch_channel(reminder.channel) if guild else None
                 if channel and not reminder.private:
                     await channel.send(f"{member.mention}", embed=embed)
+                    logger.debug(f"Reminder {reminder.id} sent to origin channel")
                     await reminder.delete()
-                else:
+                elif channel:
                     await channel.send(
                         f"{member.mention}, you had a private reminder set for now,"
                         " but I couldn't send it to you.\n"
                         f"Use `/reminder fetch {str(reminder.id)}` to view"
                     )
+                    logger.debug(
+                        f"Reminder {reminder.id} private, sent notification to origin channel"
+                    )
                     reminder.update(q(active=False))
                     await reminder.commit()
+                else:
+                    logger.debug("No way to contact user, deleting reminder")
+                    await reminder.delete()
diff --git a/jarvis_tasks/tasks/twitter.py b/jarvis_tasks/tasks/twitter.py
index 004b8d5..864f1c0 100644
--- a/jarvis_tasks/tasks/twitter.py
+++ b/jarvis_tasks/tasks/twitter.py
@@ -1,6 +1,7 @@
 """JARVIS Twitter sync."""
 import asyncio
 from datetime import datetime, timedelta
+from logging import Logger
 
 import tweepy
 from dis_snek import Snake
@@ -12,18 +13,19 @@ from jarvis_tasks.config import TaskConfig
 config = TaskConfig.from_yaml()
 
 
-async def twitter(self, bot: "Snake") -> None:
+async def twitter(bot: Snake, logger: Logger) -> None:
     """
     Sync tweets in the background.
 
     Args:
         bot: Snake instance
+        logger: Global logger
     """
     auth = tweepy.AppAuthHandler(config.twitter["consumer_key"], config.twitter["consumer_secret"])
     api = tweepy.API(auth)
     while True:
         # Only check once a minute
-        asyncio.sleep(60)
+        await asyncio.sleep(60)
 
         accounts = TwitterAccount.find()
         accounts_to_delete = []
diff --git a/jarvis_tasks/tasks/warning.py b/jarvis_tasks/tasks/warning.py
index e76dcbb..5a20e58 100644
--- a/jarvis_tasks/tasks/warning.py
+++ b/jarvis_tasks/tasks/warning.py
@@ -1,21 +1,23 @@
 """JARVIS warnings tasks."""
 import asyncio
 from datetime import datetime, timedelta
+from logging import Logger
 
 from dis_snek import Snake
 from jarvis_core.db import q
 from jarvis_core.db.models import Warning
 
 
-async def unwarn(bot: Snake) -> None:
+async def unwarn(bot: Snake, logger: Logger) -> None:
     """
     Deactivate warnings when they expire.
 
     Args:
         bot: Snake instance
+        logger: Global logger
     """
     while True:
-        asyncio.sleep(3600)
+        await asyncio.sleep(3600)
         warns = Warning.find(q(active=True))
         async for warn in warns:
             if warn.created_at + timedelta(hours=warn.duration) < datetime.utcnow():