The other side of the bed is empty when I wake in the early-morning darkness. The bedside clock tells me it’s ten after three. This is not unusual. My wife sleeps poorly and often leaves our bed in the middle of the night. She always has in the eight years we’ve been married. I know it’s the illness that makes sleep so hard for her. Even when she takes a double dose of the med... Read more on B&N Readouts.