as per the title we bought a new matress last year, but already there are compressed hollows where we sleep. We do rotate the matress often but is this usual or not? 
The matress is pocket sprung with a layer of latex, its still comfy but a little annoying
	
		
			
		
		
	
				
			The matress is pocket sprung with a layer of latex, its still comfy but a little annoying
	
 
. I'd look forward to some uncomfortable nights if I were you.