AB

AB (short for "Assistance Bot") is a character in the game, Try To Fall Asleep. He is a medical robot is set out to help John Herrin to get to sleep.

Background
He is a medical robot made by John Herrin's treatment assistant, Rick Norberg. Nothing is so far known about him currently.

In-Game
AB acts as the provider of the tutorial for the falling asleep phase of each night. He explains any new mechanics, and offers motivational support and warnings when John gets stressed. He can be muted (skipping tutorial) by pressing M on your keyboard, where he will say a small discouraged message, before turning off.

While the player tries to fall asleep if the stress bar gets high for the first time AB will warn the player to keep his eyes open and turn on the lights in order to reduce the stress bar. If the clock reaches 3 AM he'll warn the player to try to fall asleep before 4 AM (which results a game over if it reaches). He'll also remind the player to hide in the blanket if jumpscared by a hallucination.

Trivia

 * AB is battery powered (uses x2 AA batteries) and has a power reserve up to 48 hours.
 * It's revealed in night 4 that AB is a humanoid robot as he questions John and he responds to his answer.
 * After night 1, AB will start glitching while giving the message at the start of the night, it is most likely he's damaged a little from the thunder in Night 2.

Quotes
  Oh dear look at the time! Please, try to fall asleep before 4 AM!  

  Whoo! Looks like you got a big hallucination there next time you should hide in the blanket before that happens.  

  Oh my- your stress is too high! Keep your eyes open and turn on the lights.