Yes why not? It does not ask if he/she will wake up if you shout at them.
No. Some people will react violently if you do that while they are sleepwalking.
Sleepwalker - comics - was created in 1991.
The cast of Sleepwalker - 2007 includes: David Ring as Andrew Nathan Seavey as Sleepwalker
Sleepwalker - video game - was created in 1993.
Sleepwalker - video game - happened in 1993.
Song for a Sleepwalker was created on 2003-10-10.
The Sleepwalker - novel - was created on 2008-02-07.
Sleepwalker - film - was created on 2011-11-03.
Sleepwalker - 1984 is rated/received certificates of: UK:15
Sleepwalker - 2012 III was released on: USA: 2012
Sleepwalker - 2007 was released on: USA: October 2007 (limited)
The Sleepwalker - 1917 was released on: USA: 5 February 1917