An occasional restless night is nothing to worry about, but a continuous lack of sleep can hamper your immune system's ability to function.

Since all the processing plants are in urban areas, removing the tariff would seriously hamper the government's effort to reduce urban unemployment over the next five years.

On a societal level, one could even imagine that a lack of conversational flow may hamper the integration of immigrants who have not completely mastered the language of their new country yet.