I got a kick out of that. Srsly. And not because they say it in a way that is laced with "better than thou"-ness and implications that you've wasted the entire day just laying on the couch. It's because they meant to say it in a sarcastic way. Well the jokes on them! It's not sarcastic at all. And I really hate it when people are trying to be so blatantly sarcastic. Really ! It's even in wikipedia. Check it out:
"Morning may also be used in a strictly personal sense, to refer to the period immediately following waking up, irrespective of the current time of day. In this sense, morning encompasses the (mostly menial) prerequisites for full productivity and life in public."
So HAH ! The next time you want to try to be sarcastic and diss someone waking up in the evening, please refrain and remember this little rant you read right here ! Because you may failzorrs.