Body clock disfunction

OK, so first night back we sleep 16 hours. Last night, not so lucky. Tobes was up until after 11.00 and Rosie finally went to sleep some time after 2am. I lay awake wishing for sleep until almost 5am then Rosie woke up at 10am and the day started. I have a feeling I'm not going to be at my best today. Jet lag is a bitch.