Can private duty nurses work overnight or around the clock?
Yes. Nursing shifts run from several hours to continuous 24-hour coverage, including awake overnight care for conditions that don't pause at bedtime, ventilators, seizure risk, post-operative monitoring, end-stage illness.
Overnight nursing is often what returns sleep to a household that hasn't had it in months. The nurse manages the night, documents it, and hands off cleanly, so the family wakes to information instead of uncertainty.