Fatigue builds on Cheek's experimental compositional approach, drawing from an eclectic collection of genres and employing field recording elements.

[1] Taja Cheek planned on naming her second record Suck Teeth because she "loved how it encapsulated a very black sound of disapproval, annoyance, and disappointment.

Ambient music, gospel, jazz, post-punk, neo soul, R&B, shoegazing, soft rock and sound collage have all been melded into L'Rain's own aesthetic.

[5] Psychedelic musicians like Syd Barrett and quartet Animal Collective have been noted as spiritual touchstones for L'Rain's music.

[13] Paul Simpson for AllMusic applauded the record, seeing it as "even bolder and dreamier than [her] self-titled debut" and "a uniquely powerful expression of her uncompromising vision.