Even switching out your sheet sets every other week will make them last about twice as long, according to , but there are more things you can do to ensure you won’t be replacing your sheets every other year. Once you know you're shopping for sheets that have the first qualities Fulop mentioned, the thread count you choose will really just determine the feel of the sheet. If you’re a hot sleeper, you might opt for a lower thread count for a crisp, cool sheet, like Brooklinen's percale sheets, which have a thread count of 270.