Power naps needed on the night shift

Doctors working on night shifts should be given “protected” quiet time for power naps, and forced to hand over their cell phones, a study suggests.

The US trial, which followed 170 hospital interns on extended overnight shifts of up to 30 hours, found those given a sacred five-hour snooze slot got more sleep and were less fatigued on the job.

These interns slept for three hours on average — an hour longer than those in a control group,