Mattress with Built in Arm Slot

The world's first mattress designed for side sleepers Finally allow your arms to rest where they're meant to, and get the best sleep of your life

SONU Sleep System claims to be the world's first mattress for side sleepers that combines the

arm slot side sleeper mattress with slits This mattress has arm slots to bring better comfort for side sleepers SONU Sleep System

arm741 There are memory foam, innerspring and hybrid mattress options CNET's sleep team has tested more than 100 beds to find the best mattresses for side sleepers,