Method # One: bamboo bed. 

What you’ll need: Two bamboo couches

Method # Two: Bigger bed. This could be used as an alternative to the bamboo bed for newer penguins, or for more than one penguin to sleep in.
What you’ll need: two of the “design your own” couches of any color or pattern. They don’t need to match.
Method # Three: Gingerbread Bed
What You’ll need: any one of the following couches, or any other similar couches:
Here’s what the bed looks like:
I will update this page if I find any new ways to make beds. I hope I helped!