small hours
US /smɔl ˈaʊərz/
UK /smɔl ˈaʊərz/

1.
раннее утро, предрассветные часы
the early hours of the morning, between midnight and about 4 a.m.
:
•
We stayed up talking until the small hours.
Мы не спали, разговаривая до раннего утра.
•
The party went on into the small hours of the morning.
Вечеринка продолжалась до раннего утра.