We sleep on a £2k Vi-spring.
The £280 silentnight we bought in Argos and have on our spare bed is just as comfortable.
Remarkable value for such a cheap mattress and read the 5 star reviews.
https://www.argos.co.uk/product/5541887?gbraid=0AAAAAD9II9n_rw0eqXwnKFzCLJPnNI_Qk& istCompanyId=a74d8886-5df9-4baa-b776-166b3bf9111c&istFeedId=c290d9a9-b5d6-423c-841d-2a559621874c&istItemId=ixwliwixx&istBid=t&&cmpid=G S001&_$ja=tsid:59157%7Cacid:844-913-7556%7Ccid:16779432608%7Cagid:133077902577%7Ctid:p la-886037585223%7Ccrid:591039237510%7Cnw:u%7Crnd:1246 8545139865450638%7Cdvc:m%7Cadp:%7Cmt:%7Cloc:100715 6&utm_source=Google&utm_medium=cpc&utm_campaign=16 779432608&utm_term=5541887&utm_content=shopping&ut m_custom1=133077902577&utm_custom2=844-913-7556&GPDP=true&gbraid=0AAAAAD9II9n_rw0eqXwnKFzCLJP nNI_Qk&gclid=EAIaIQobChMIgtzrss6p_QIVS-rtCh0kMgOfEAQYASABEgJrl_D_BwE&gclsrc=aw.ds