iOS11

Anyone else experience a “very sleepy” iPhone after installing iOS 11? I’ve encountered at least three times that my iPhone 7 doesn’t want to wake up right away. It’s usually after I put my phone to sleep then try to wake it immediately. The screen stays black. I know the iPhone is still on since the home button still provides haptic feedback (the “button” doesn’t do anything when the iPhone is off).

After a long delay, the iPhone wakes up but in the meantime, the dozy iPhone feels like it’s not working.