Dark bedrooms are great for sleeping, but too little light hinders other activities, such as reading, dressing, and getting ready for bed. Bedside lights have a specific task: to illuminate the pages of your book (or book-like device) without requiring you to contort–and without bothering your bedmate. Randall Whitehead, author of Residential Lighting: A Practical Guide, advises that “the best way to find the correct height is to get into bed and hunker down against the pillows in your normal reading position.

