The main purpose of bedside table lamps is to provide light for reading or for general ambient lighting in the evening and morning. This means it’s important to choose a bedside lamp that is at the right height for reading in bed while sitting up. You also want to choose bedside lamps that are the correct scale for your bedroom and bedside table. To ensure the bedside table lamps look suitable in the room, try to make sure the lamp is around one-third of the width of your mattress.