Several outlets have published articles about laundry, including reviews of the best washer and dryer sets, washing machines, and washer-dryer combos. There is also discussion about laundry practices, such as whether to wash towels and sheets together, with some experts recommending they be washed separately. The number of top-rated washing machines and washer-dryer sets varies across the outlets, with some listing as few as 3 and others as many as 16 or 9 best sets.