Why is so much easier to fall asleep on a couch unintentionally than in bed intentionally

This page is a permanent link to the reply below and its nested replies. See all post replies »

Relaxed state of mind? When I fall asleep on the couch I'm usually doing something that doesn't require much brain power, such as watching TV. I'm not thinking about all the day's stress as I am when I lay down in my bed.