1. Get to your flat
  2. Unpack. Sort of.
  3. Drink cup of tea.
  4. Manage to stay up until 11 am local time.
  5. Sleep until four.
  6. Cocoon yourself in blankets from the bed and crawl to couch.
  7. Whine until someone makes you a cup of tea and a snack.
  8. Mumble about what you should go out and do, knowing full well you're just biding time until you go back to sleep.
  9. Watch five episodes of Judge Judy.
  10. Victory! Fantastic use of your first day in one of the world's greatest cities.