early-morning and late-night visits
Often used for reporters or investigators making persistent visits at inconvenient hours.
The family was exhausted by the reporters' early-morning and late-night visits.
early-morning and late-night attacks
Historical military term for surprise attacks at dawn or night; now mainly found in historical contexts.
In the Warring States period, early-morning and late-night attacks were a commonly used tactic.
Compound of 夜討ち (night attack/visit) and 朝駆け (morning dash/attack). The exact historical derivation is uncertain, but the phrase likely originated from military tactics and later extended to persistent visits.