Amazing built-in nook with glass lantern providing reading light. Reading nook with gray ikat fabric cushions and pillows as well as white roman shades covering windows. Second landing nook with built-in reading lounge and built-in shelving.
Consider having a daybed in your guest room. That way the space can offer seating when a visitor isn't sleeping there. Built-in shelves by the daybed give your guests somewhere to set their personal belongings, such as an alarm clock.