I sleep in rented beds and my bed in Jorrvaskr (with the Companions) and no matter how long I sleep I don't get the notification that I'm rested or well rested anymore.
I've looked at my active effects to check for Lycanthropy or Vampirism and all I have are positive effects.
I have slept in rented beds immediately after receiving blessings and having all diseases cured at the shrine of Mara.
What are other reasons I might not be able to get rested or well rested?
