Also included in the caveats:
Not working shifts
Not pregnant, breast feeding or looking after a child under 2 years old
Not ill or disabled
Not entertaining guests
I could honestly go to bed now! (before 9pm UK time). I know that's nuts when there's nothing wrong with me, and my family would question me and make a fuss if I headed up the wooden hill now. They will be up until 11, 12, 1am.
I just wish I could do it without having to explain myself.