In her New Yorker article about bibliotherapy, Ceridwen Dovey touches on the notion that reading can make you happier.
Reading has been shown to put our brains into a pleasurable trance-like state, similar to meditation, and it brings the same health benefits of deep relaxation and inner calm. Regular readers sleep better, have lower stress levels, higher self-esteem, and lower rates of depression than non-readers.
So, put down your phone and pick up a book (or at the very least your Kindle).