*Limited time only. To receive this discount, customer must purchase, in one order, at least one Casper mattress (other than a dog mattress) AND one other Casper product.  Offer code is only valid on purchases made at www.casper.com by customers in the US and Canada from November 21, 2016 at 12:00am EST to November 28, 2016 at 11:59pm EST.  US customers receive $75 USD off, Canadian customers receive $75 CAD off.  Offer code may be used only once per customer.  Offer code cannot be combined with any other discounts and cannot be used in conjunction with Affirm financing.  If a customer uses this offer code and later returns an item from his or her order, $75 will be deducted from the refund amount if the remaining item(s) would not have qualified for the SLEEPIN code. Full terms and conditions available at https://casper.com/terms.  Not redeemable for cash or any cash equivalent.  Void if copied, transferred, expired or where prohibited by law.