Hi Edith! Great thread!
I am a dreaded morning person through and through.

I used to have a co-worker in college who would... Not exactly SAY she was going to slap me, but, she would groan and tell me I was way too perky to be around in the morning.

Well, sometimes. I'm a bit older now, and it depends on how bad my insomnia is acting up.
I was just telling some friends last week that if they had social events or clubs open in the morning, I might just be tempted to go!

My ideal time to wake up is about 4:30 AM, and if I "sleep in" until 6, I feel like the day is slipping away from me. I like to get a few things done before my day "really" starts if I can.
But this also means I tucker out fairly fast towards the end of the day. If I do any cooking, it has to be in the morning, so that I can just pull out something ready-made when I come home. I leave all my low-energy tasks for the end of the day -- mostly catching up on reading and research, sometimes correspondence and possibly a craft if I have enough brain power left.
Even if I'm around other people in the evening, I tend to retreat to my own little corner. I need that time to recharge my battery for the next day. I've lived in different time zones and have worked every shift there is, but my natural inner timing always resorts to being a morning person. If I'm visiting with others, I can temporarily shift my schedule to meet theirs, just not for an extended amount of time.
It's a good thing morning people are so rare, and that most are working during the morning -- otherwise, I'd probably be rounding up all the other morning people and causing a whole heap of trouble -- all before noon.
(If we do all our trouble-making while everyone else is only half-awake or sleeping, we have a better chance of getting away with it!)