No.
Generally, no they do not work alone, but in some assisted living homes there may be only one nurse per building, especially on the weekend.
No, she didn't. She worked with 38 nurses.
Pediatric Nurses
Neonatal nurses work with babies. OB nurses work with pregnant mothers. Prenatal? where did you get that?
Sleep
In the U.S. Army Nurse Corps alone, over 217 nurses died.
In their homes. Nurses work shifts. If they are on duty, they do not sleep.
they work at hospitals!
They work on the wards of hospitals.
Nurses
Yes, they can and do.
sorry
Nurses work 8 to 12 hour shifts. Part-time nurses' hours vary.