This is the 1807th most frequent French word.
détriment
Harm or damage.
In this sentence, 'détriment' is used to indicate the cost or loss associated with prioritizing one action (working late) over another (maintaining sufficient sleep).
Il a décidé de travailler tard au détriment de son sommeil.
He decided to work late at the expense of his sleep.
Here, 'détriment' describes the adverse effect on her financial situation caused by her choice to make this purchase.
Elle a acheté une robe chère au détriment de son budget mensuel.
She bought an expensive dress to the detriment of her monthly budget.
In this context, 'détriment' shows the negative consequences faced by the environment due to certain political decisions.