https://www.walgreens.com/store/c/z...-aid,-non-habit-forming/ID=300408362-product? 12-ct ZzzQuil Nighttime Sleep Aid on sale for Free (sales tax may apply where applicable) when you log into your myWalgreens account and clip the $2 off one ZzzQuil product coupon on the item page. Select free store pick up where stock permits ($10 minimum).