Motherhood – it’s one of those notions that, in the minds of many, is sacrosanct, inviolable and beyond reproach. Or is it? Indeed, isn’t it possible that some women who find themselves in this role aren’t cut out for it and innately regret having taken that step? “How dare they!” intolerant critics might exclaim. However, as this latest offering from writer-director Marielle Heller illustrates, there are those who…

Amy Adams really does throw herself into this as mother to a young lad whom she looks after whilst her husband (Scoot McNairy) goes to work - frequently for many nights at a time. There's no suggestion of infidelity, but gradually she begins to feel the strains of this relentless young lad's activities. He rarely wants to sleep, is always full of beans and has a penchant for repeating the odd expletive at exactly…