iv got 2 12 week old bunny in the garden in a lovely big hutch anyway i noticed yesterday after i had let them out to play for an hour in the garden while i was gardening at night time when i went out for a smoke about 11 they were at there door scratching like they wanted to come out, i get them out everyday to play, why dont they go to sleep, iv noticed there starting to do it alot more during the day aswell,