Originally Posted by cmdinnyc

I'd recommend checking the Changi airport website. There's a lot of information on there - http://www.changi.airport.com.sg/changi/index.jsp. You can also reserve a room in 6 hour blocks at the transit hotel. The rates are relatively reasonable and from my walk through the airport it appeared to be a nice facility. Their website is at http://www.airport-hotel.com.sg/.