Room 1408

Room 1408 is a hotel room in the dolphin hotel and is described by Olin as "an evil fucking room" it is haunted by ghosts of people that got murdered in room 1408 or killed themselves and by a force that has pushed all guests that stay in the room to take their own lives; it is noted throughout that no guest has survived more than an hour. The Room also has had as many as 57 (Michael Enslin being the 58th in the director's cut) victims, as recited by nolan: 7 jumpers, 4 overdoses, 5 hangings, 3 mutilations, 2 stranglings as well as 22 natural deaths and a maid that although alive, blinded herself.

Room 1408 has a the ability to manifest hallucinations, and change its physical attributes(Such as removing the windows in the room, causing blood to pour from cracks in the walls & giving life to the paintings), it is also shown to manifest humans to either attack or psychologically abuse its victims. The room makes you feel scared, mad, sad, depressed, worried, stressted and makes you have axienty while inside. The room is known to play on the insecurites, personal issues and past trauma of its inhabitants.

Room 1408 is noted to have a manual key instead of a keycard as electronics don't work in the room (although Mike Enslin's tape recorder and laptop contradict this point). Lastly when room 1408 starts its 1 hour countdown it removes any way out by allowing the doorknob to fall apart and make the doorway open to a plain brick wall. During Mike Enslin's stay the room changes in appearance many times; these changes range from removing the windows and opening cracks in the walls that run with blood( possibly to fulfill Mike's request to "Show him rivers of blood") to changing the temperature and environment such as creating snowfall before & flooding the room from a picture of a stormy sea completely destroying the furnishings before resetting at the end of the hour.

Michael enslin finally ended the room's curse by burning it down with an improvised fire-bomb; freeing the spirits inside and preventing it from being able to hurt anyone again.

Trivia

 * Although electronics are said to not work in the room, many are shown to work as usual such as Michael's tape recorder and laptop as well as the digital clock-radio.
 * Interestingly despite the room saying its guests have "free-will" there have been a number of natural deaths assumed to have been super-natural.
 * In the original short story it is eluded to that 1408 could be a portal to some sort of hell this connection is not made in the film.