AITA for not waking my sister up after she told me it wasn’t my responsibility?

My sister (26F) and I (24F) both live at home right now. She recently started a new job and need to wake up early so she won’t run late, For the first week she kept sleeping through her alarms, so my mom asked me to always wake her up before i leave for school.

I did it a couple times, but one morning she got upset and told me I didn’t need to act like her personal alarm clock and that she doesn’t need my help and could wake up on her own.

So the next morning I didn’t wake her up. I just got ready and left for school so she slept through her alarm and ran late for work.

When I got home later she was annoyed and said I should’ve still woken her up because I knew she’d probably oversleep. I reminded her that she said i was not her personal alarm and that she didn’t want me doing it anymore.

Now she’s saying I was being petty and that I could’ve easily helped her out anyway.

So AITA for not waking her up? ⏰

14 thoughts on “AITA for not waking my sister up after she told me it wasn’t my responsibility?”
  1. Nta- she is not your responsibility and she can’t tell you not to do something then get upset when you listen.

  2. NTA.. you were doing her a favor and she got crappy with you and told you not to.

    She FAFO.

  3. NTA, lol. “AITA for not doing something that wasn’t my responsibility in the first place, and also I was specifically told not to do it?” This is not a difficult one.

  4. So NTA. Your mom asked you to do it. Your sister TOLD you to stop. She is an adult. I’d suggest she buy an airhorn and hook it to her alarm if she sleeps through them otherwise.

  5. NTA. Your sister is being the AH here by not taking any responsibility for her being late and saying it’s your fault. She’s an adult and should be able to get up by herself

  6. How would it have gone had you woken her up? Oh, I know…

    “HOW MANY TIMES DO I HAVE TO TELL YOU YOU DON’T HAVE TO BE MY PERSONAL ALARM CLOCK”

    Sis can stew about her own failures to be an adult on her own. Leave OP out of it. NTA

  7. NTA- she can’t speak out of both sides of her mouth and be upset at the results. I’m a heavy sleeper and I have two alarms 30 minutes apart just in case. Rarely do I need the second alarm, but it’s a savior when I do.

  8. “Stop blaming me for your shortcomings. You have two choices here. You can either find an alarm that works, or you can apologize and I will keep waking you up. Just know that I’ll be waking you in the worst ways possible. That means a bucket of ice water, death metal etc. and this will go on until you find something that works for you. Because ultimately you are an adult and need to deal with your own problems.” NTA

  9. NTA

    This allegedly fully grown adult can take full responsibility for her own goddamn schedule and wake up on time.

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