Matthew McConaughey’s bedroom downgrade is 'best thing’ for his marriage — but mattress experts disagree

A couple asleep in bed under white bedsheets, lying back to back.

Actor Matthew McConaughey is adding 'sleep coach' to his varied resume, although his recent advice might make mattress experts (and couples) shudder. He's downsized his bed and he's recommending you do the same.

“The best thing you can do for your marriage,” writes McConaughey in his book Poems & Prayers, “is get rid of that king-size mattress and sleep in a queen-size bed.”