For parents of sleepless young ones, the celebrity of Adam Mansbach is hard to understate. Bleary-eyed and maybe a little despairing, that first time a parent picks up his tome Go the F*ck to Sleep can be a little transcendent. The irreverent picture book perfectly captures the complex feelings we all experience with toddlers — of being trapped in an exhausting simmering pot of cuddles and dependence and sweetness and frustration. Mansbach let i…