My younger kids go to bed at 8:00-8:30 pm. My older kids are often doing school work, reading, or playing computer games then, and my wife is finishing up hous

My younger kids go to bed at 8:00-8:30 pm. My older kids are often doing school work, reading, or playing computer games then, and my wife is finishing up house work. So 8:00 to 9:00 (maybe 10:00) is my window.