Smartphone Night Stand: helps you keep up with your social networking accounts, read books, and do a whole lot more on your smartphone in bed. Just slide the base under the mattress to use your phone handsfree.
ePillow Bed Rest Reading Pillow: fits any bed and has built-in armrest compartment for tablets and e-readers. It folds flat with built-in handle for easy storage.
Theses smartphone, tablet, and book holders make it much easier to get reading done in bed. They are not all cheap but nice to have if you can afford them.