MacBook Pro does not sleep/require password at all
Possible System Management Controller (SMC) issue?  Can you try a SMC reset and test your conditions again?

Link here...

What the SMC does.  The SMC is responsible for these and other low-level functions on Intel-based Mac computers:


Responding to presses of the power button
Responding to the display lid opening and closing on Mac notebooks
Battery management
Thermal management
Sudden Motion Sensor (SMS)
Ambient light sensing
Keyboard backlighting
Status indicator light (SIL) management
Battery status indicator lights
Selecting an external (instead of internal) video source for some iMac displays