From Longman Dictionary of Contemporary Englishnighttimenight‧time /ˈnaɪt-taɪm/ noun [uncountable] TMCthe time during the night OPP daytimeat nighttime animals that hunt at nighttime
Examples from the Corpus
nighttime• Nighttime temperatures dipped below freezing.• And nighttime, he is not sleep in regular bed.• What do people do at nighttime?• The social environment also produces many disturbances that can cause nighttime arousals.• Both have optical equipment that allows pilots to carry out nighttime bombing missions.• Down by the river, a train chugged along, slow and determined like all the nighttime freights.• The nighttime cold had a new bite.• He was awakened by barking in the garage and was bewildered to see that it was nighttime. 