The great book, The Defense of Jisr al-Doreaa, notes that the same thing is done in Iraq. The authors tell a story which features American troops on a combat outpost waking just before dawn to man the defensive positions. What's interesting is that the young platoon leader gets this advice from one of his sergeants, who notes that this tactic comes not from the conventional battlefield, but from the campaigns against the Native Americans on the plains of the American West during the 19th Century.
Some things really never change. Indeed, the Taliban also appear to use this tactic, judging from this video from the Battle at Wanat, shot from the Taliban's perspective.