DJs and producers know the 4 AM body clock all too well—like playing their last...
https://bizzmarkblog.com/is-it-worth-paying-for-a-hotel-night-to-avoid-the-red-eye-after-a-gig/
DJs and producers know the 4 AM body clock all too well—like playing their last set at 4:12 AM before rushing to catch a 9 AM flight