My parents had the same problem and kinda solved it by using light alarm clocks. As they sleep back to back, having light one side doesn't wake the other up.

My parents had the same problem and kinda solved it by using light alarm clocks. As they sleep back to back, having light one side doesn't wake the other up. I'd definitely not wake up only with light though, I am far too much of a deep sleeper :s http://www.amazon.co.uk/Natural-Sunrise-Alarm-Clock-Simulator/dp/B000YSFS6Y http://www.amazon.co.uk/Natural-Sunrise-Alarm-Clock-Simulato... Coupled with nature sounds, it might be perfect :).