Consumer Reports reveals the its research on the best mattresses, lighting, and bedtime rituals.

How do you get a good night’s rest? Consumer Reports recently posed that question to 8,900 people who reported having few sleep difficulties (or none) in the previous 30 days. Here’s what we found: Good sleepers are more likely to exercise during the day, go to bed and wake up at a set time, unwind for 30 minutes before going to sleep, and engage in sexual activity before bed.