I put down 5-7 hour sleep.
But sometimes I'm lucky just to get 5 hours sleep.
I have tinnitus which makes getting to sleep somtimes hard. Ringing in the ears can be very distracting & I usually listen to talk back radio or late night TV in an attempt to fall asleep. When my sinuses are playing up, waking up I can feel particulary groggy.
So I envy those who have a regular sleep pattern.