Question about deep sleep

Recently I did not plug AC back in quick enough to avoid my MBP shutting down automatically because the battery was too low. In this case, after plugging back in I was expecting my MBP to wake up from deep sleep, but instead it completely rebooted. I tested and it happened again.
Has there been any change related to deep sleep in recent updates or is there a way I can change a setting so that waking up from deep sleep works properly? Please advise.

Uh oh, I finally got a chance to test out the advice in this thread: 1. using a short power button press to ensure I was not accidentally overriding wake up from deep sleep with powering up from an off state, that was not the issue. 2. Battery recalibration.
I checked for battery health:
Health Information:
Cycle count: 116
Condition: Check battery
That's pretty bad and it seems beyond rescue by battery recalibration. For the MBP, there is this step in the battery recalibration process:
"Continue to keep your computer on until it goes to sleep. Save all your work and close all applications when the battery gets very low, before the computer goes to sleep."
But now my laptop seems to lose power at the point where it should just fall asleep.
Thanks for useful info! I'll bring it to an Apple dealer.

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    Thanks for the input iBod.
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    *Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. The “Guest User” login created by “Find My Mac” is not the same. Create a new account in which to test, and delete it, including its home folder, after testing.
    Step 2
    The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
    Please take this step regardless of the results of Step 1.
    Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
    Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
    Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
    The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
    Test while in safe mode. Same problem?
    After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of Steps 1 and 2.

  • IPod gets stuck when it starts play mostly after deep sleep

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    The problem is very consistent:
    1. I turn it on.
    2. Start playing some song.
    3. See the 'normal' play screen (song timer is 0:0)
    4. Hear spinning and clicks of hard drive and ....
    5. It just freezes: doesn't response to any key (including Hold)
    Only Reset helps now and when I generally get Folder icon with exclamation point and
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    I updated iPod to the last version (1.1) - doesn't help.
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    I think I have to ask Yeda for help?
    Any ideas?
    Thanks
    vov

    Welcome to Apple Discussions!
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