Will participating in 1 round of combat break a short/long rest?

@JeremyECrawford Hope you're having a restful night. Speaking of rest, will participating in 1 round of combat break a short/long rest?

— Derek Gilmore (@dmgpunk) August 11, 2016

@JeremyECrawford Hope you're having a restful night. Speaking of rest, will participating in 1 round of combat break a short/long rest?

— Derek Gilmore (@dmgpunk) August 11, 2016