If Lock Screen timeout is not working in Windows 11/10, this post may help. The lock screen timeout feature enhances security and power management by locking your PC once inactive for a set period.

If Windows 11/10 is not locking on sleep, execute the solutions mentioned below. If the sleep function is unreliable, we can use the screen saver to enforce a lock. This will ensure that the PC ...

There is some dynamic feature for that, I think. If it didn't really go to sleep mode then it won't make you login again unless the dynamic lock feature is triggered. The screensaver settings are kind ...