Continuity: When Mike enters "The Weeping Beach Inns" attic room and sits on the bed it is unmade, in the next scene is made then unmade once again.

Continuity: When Mike first enters room 1408, there are three light switches on the wall. He flicks on two of them. A few seconds later, you see the switches behind him, but it is two different switches that have been flicked.

Continuity: After using his UV light to search the room, Mike switches on the bedroom light, showing the one chocolate that should still be on the pillow is gone. The next shot of the pillow (after Mike notices the crooked painting) shows the chocolate is still there.

Continuity: After slamming his hand in the window, Mike bangs on the front door leaving blood on the left side of the map on the door. Later in the film, there is blood on both sides.

Continuity: When Mike opens the laptop, the screen is folded slightly backwards, in the following shots its positioned in a straight angle.

Continuity: As Mike scrolls through the microfilm, we see his view as the pages scroll from right to left. The shot then reverses to show his face through the scrolling film, but while the film is now properly reversed, it's still moving right to left in our view. But this reversed angle should show it moving left to right.

Continuity: When Mike is speaking with Olin the first time, Olin has a handkerchief in his chest pocket, and two 'points' stick out. But after Olin tells Mike that he thought the "father was a bastard", there are three points sticking out for the rest of the conversation, even through the elevator ride.

Continuity: As Mike is checking his mail in the diner, a lick of hair hangs down above his right eye until he comes across an envelope he finds interesting. As he opens it, the lick is gone, his hair is suddenly near-perfect.

Continuity: While the frozen room is breaking down, the red lamp and the table next to it keep changing positions between shots.

Continuity: The match box in the ashtray in Room 1408, right after Mike enters, changes position and illustration in 2 seconds time.

Continuity: When the clock starts and scares Mike, it swaps from facing front to sideways between shots.

Continuity: The position of the towels used to stop the leaking faucet differs from the time Mike leaves the bathroom and a shot several seconds later, while he's on the phone.

Continuity: While Mike is lying on the floor, frozen, the cognac bottle faces different sides between shots.

Continuity: The blood stain on the bath's curtains differs between shots.

Continuity: Before the telephone melts the label of the bottle keeps moving around.

Continuity: Halfway through the film, Mike is wandering inside the room and knocks down a red vase. A second later it appears back on the table.

Continuity: At the hotel in the beginning during the rainstorm, you can see a gap on the road of where rain isn't falling as well as where it stops in the distance. Once Mike's truck comes to a stop, the camera angle changes and the "rain" gap is gone.

Continuity: After Mike enters through the window, he lays down and his left arm is extended up to his head. Depending on the angle, in about 2 seconds it is in different positions, without him moving it.

Continuity: When frozen Mike opens the laptop the lamp behind keeps moving around between shots.

Continuity: Mike unplugs the radio and knocks the bottle from the table. Then he picks up the phone and says "I didn't order no sandwich", and the bottle reappears on the table.