My sleep episodes were never for consecutive days of sleep, but rather the 16-18 hours a day during an episode. Of course, even after I recovered from the sleep episodes I had to deal with the other symptoms. I went into a serious and lengthy episode in 1970 and was hospitalized for about four months. All tests were normal. I was prescribed stelizine and cogentin and sent home with a diagnosis of depression with psychotic features. The anti-depressants available at the time, namely Elevil and something else, both put me into a deep, deep sleep, even at bus stops or anywhere. It was clear I could not function while taking this medication. I finally decided that the stelizine did not help. Once I accidentally took a cogentin instead of an aspirin and fell into a deep, deep sleep for over 48 hours. My landlord could not rouse me and thought I was dead.
So, the only thing that helped lessen the symptoms was regular long walks ... and I mean long walks. There is something about the rhythmic motion that allowed me some relief. I walked even when I felt out-of-it. Recently, there was a news segment on how dancing helps Parkinson’s sufferers. While dancing, they experienced some feeling of normality.
I know everyone’s experience is different; this is just a report from an individual.