Pain in the Neck?
If you read a lot in bed, either print material or on a tablet, you may have touble with your neck. I do because the book isn’t lined up with your eyes at the right angle so you tend to strain your neck. One of the many newsletters I receive had a link to an Interesting advertisement. Take a look at a few of the ‘contraptions’ in the ad. Some of these of elaborate!!
This tablet stand is great for uneven surfaces, and lifts the tablet high enough so you can actually read lying down. $40
A bed-mounted book holder might be exactly what you wanted. $100
It might be bulky, but this hands-free book stand rolls around to wherever you want it. Plus you can adjust the reading angle and height. $199