In what body-position do you prefer to read while in bed? Before I switched to listening to books before bed I mostly read lying on my front, propped on my elb

In what body-position do you prefer to read while in bed? Before I switched to listening to books before bed I mostly read lying on my front, propped on my elbows, with book or e-reader flat or propped up. Do you tend to fall asleep while reading? A device that holds the book and gets out of your way when you doze off sounds lovely.