Hi, my partner suffers with night terrors but is a deep sleeper, he weighs 13stone 6ft-1 , I am a very light sleeper I toss and turn , I am 9stone and 5-4, I suffer with pins and needles and lower back pain and I am going through the menopause so I'm sweating in bed please can you recommend a mattress zip and link and we have a supper king bed ?