Since most of us are lying down or sleeping about 1/3 of our lives, purchasing a properly supportive bed is an extremely important investment. The following beds all receive very high ratings. We have a Saatva mattress and love it.
In no particular order:
Select Comfort (air adjustable sides for individual preference) - http://bit.ly/2gFeU0s
TempFlow (http://bit.ly/2p6X6ut )
Saatva (http://bit.ly/2o2JmS0 )
Also made by Saatva:
a. Loom & Leaf (http://bit.ly/2oOHqwx )
b. Zenhaven (http://bit.ly/2o7Fktp )