We have our whole family(except for our oldest son) sleeping in the same room. So when I wake up early I just hang out in the living room so I don't wake up the kids by getting in and out of bed. Yes the kids have their own room but they like sleeping with us so we just moved their beds into our room. I like it like that. We have a very close family.
You may be having some elevated mood when you sleep less but it doesn't sound too bad.