1. *Save $100 Mattresses + 2 Free Pillows with Mattresses purchase from Eight Sleep. Coupon Code: LDSALE . Price: Not Specified. Discount: $100. Categories: Bedroom & Bathroom. Coupon Rating: 4.2 Stars out of 5. Store Rating: 4.4 Stars out of 5. Coupon Recommendation: Recommended. Available Until: Not Specified. Thoughts: None.