A clopen shift is the weary-making retail or restaurant assignment where someone closes the business late, then comes back the next morning to reopen. The blend comes from close plus open, with variants such as clopening for the act of working one...
split n.—Gloss: shortened form of “split shift.” «These restrictions create what is known as “splits.” Thus a bus operator may come to work at 4 a.m., work four hours until 8 a.m., then be sent home to report again...
double-back v. to work a full shift and begin another after a break of eight or fewer hours. Also attributive and as noun. Editorial Note: This differs from a split shift, which is a single shift separated into two or more segments over the course...

