Ok, have installed a patched build of CBSubs and CBSubs Stripe. Please let me know if any NEW subscriptions still have this issue. You'll notice it still exists by checking CBSubs > Notifications where a subscr_signup IPN comes through immediately with web_accept for the same basket, but be sure to filter the notifications page to the Stripe gateway before checking. Still strange your install ignored the sleep behavior, but that behavior isn't needed now due to some better checks being implemented. I've confirmed locally the new behavior works fine to prevent this. I have another recurring test coming through today as well to further perform even more tests.