Best mattresses rated by Consumer Reports

(CBS News) For the first time, Consumer Reports magazine is doing comprehensive testing on some of the best-selling mattresses.

The details will appear in the magazine's May issue.

But on "CBS This Morning," Bob Markovich, home and yard editor the magazine, shared a look at some of the top picks in the ongoing testing.

Watch his full "CTM" interview for the results of the magazine's testing so far.