In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

Of course not, most coupons may be used only by you when you received them directly from Sleepenvie. As the Sleepenvie coupon includes your User ID, it cannot be resold or transferred in any way.

Normally, most of the websites you can print the grocery coupons from only work on a computer, even you can get coupon books mailed to your home for free. But it completely depends on Sleepenvie's support program at the time you search, so please visit the Sleepenvie site to know more details.

There is no certain number for the frequency of releasing coupons from Sleepenvie. But, most of the time, there will be at least one available. Special Discount Days such as Black Friday, Cyber Monday, Back to School Sale... come with many coupons.