Was I wrong for being upset because my ex called me in the middle of the night?

Was I wrong for being upset because my ex called me in the middle of the night?

Let's preface this by saying that this is not dramatic as it sounds as we are actually very amicable.

However she has made me jump out of bed. I gave her contact a custom ringtone and when she called me it was 1AM. I immediately thought something had happened to one of the children since she has primary custody but no, she just couldn't sleep. Kept me on the phone for an hour or so just talk about random stuff.

This is not the problem for me, just the scare she gave me. I told her to maybe send me a WhatsApp first so she doesn't make me jump like that. L

Was I wrong for being upset because my ex called me in the middle of the night?
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