iPad feature request: auto "deep sleep" after 24h idle (10 seconds to wake is okay). iPads used to last over 30 days on standby, but every time I pick one up now after less than a week it's dead

Steve Jobs announcing the iPad 2:

@christianselig I'm not sure what changed, but this used to be a really bad problem, and now it's back to the good old days – I just dug out an iPad Pro that I haven't touched in a month, and it still had 50% power. (Yes, this post really did stick with me that long!)
@twostraws @christianselig They now reboot after 3 days without use, and I believe that a reboot kills background processing and updates. Could be wrong, though.