I heard it first that they was sleep
Well I hope this shit is Tempurpedic
So you can feel real comfortable while I fucking lead it

from Domo Genesis & Alchemist – Fuck Everybody Else Lyrics on Rap Genius

Meaning

Domo says that while other rappers are sleeping on him, a popular term in hip hop for “hating on him”, he has positioned himself to “lead the rap game”.

He wishes that the rappers sleep on tempurpedic mattresses, which are purported to be extremely comfortable, so that they remain that way and allow him to continue to succeed.

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