Ambient light. This acts as fill light. “In bathrooms with taller ceilings a cove or cantilever details ambient lighting fixtures can be installed along the perimeter of the space” Whitehead says. “Architectural details such as these can hide the fixture and create indirect lighting”.
Adding lights to stair risers is beneficial since it can be hazardous negotiating stairs especially at night. Staircases are often enclosed so light them from the sides or embed lights in the risers as a design element.
Bright idea for dimmed lighting: To make the most of your lighting install the highest-wattage lightbulb possible then dim it down to accommodate the mood and lighting needs. Consider putting dimmers on both overhead lighting and lamp lighting.