Normally 5 years warranty means till 1 year full replacement or repair if its a small issue. After 1 years its on pro-rata basis.
You can contact to out dealer, in case he is not answering feel free to contact us
Always opt for a mattress which is firm, or if you like soft mattress go for it. But never go for too soft mattress(Like you are sinking)
Where as belbed gives you their 90% of their mattress are dual side usable, so you can have both firm as well as soft feel experience in our single mattress.