I've been a bit worried about the big fella - 'The Big Cheen' as he was once known as.
He was once indefatigable. He wrote posts (mad as they may have been) regularly and at any time of the day or night. Now, sadly, the posts are rare and the poor old guy runs out of puff before sunset.
See the comment: HERE
"Actually, I'm off to bed soon so take the evening off. Buonanotte." - Comment made at 6:46 PM
There have been other recorded instances of Richard signing off before 7PM because he has to go to bed - but I can't be stuffed backtracking to find them.
Either the monkey gland implantation's been effective or the old guys getting a bit tired. You choose.