My head is pounding, and a bright light above ensures I quickly have to close my eyes again. Feeling nauseated, I lie still, using my other senses to try and recognise sounds or a particular aroma which could confirm to me that I am still in the accommodation unit. However, I can hear nothing at all; not even the usual birdsong, and there is an unaccountably earthy, damp smell.   Suddenly curious, I fight sickness and c...