After policemen in Patna were found sleeping on duty, DIG Patna defends

After policemen in Patna were found sleeping on duty, DIG Patna defends, says the Policemen who were sleeping had come after night duty & hadn't slept for 24 hrs straight. They aren't at fault. They were attentive but might have dozed off for 2-3 min. They are humans after all: DIG Patna (central range) on policemen sleeping at law & order briefing Yesterday.