In January, an anonymous tipster sent the car news site Jalopnik video of a "dangerous idiot" apparently sleeping at the wheel of his Autopilot-driven Tesla Model X.
In March, a Twitter user posted a video of a Tesla driver appearing to sleep at the wheel on a Los Angeles highway.
Dutch police stopped a Tesla driver in May who was allegedly sleeping behind the wheel while under the influence of alcohol.
Read more about the Netherlands incident here.
In June, another Los Angeles driver was caught appearing to sleep while his Tesla drove down Interstate 405.
next slide will load in 15 secondsSkip AdSkip AdIn August, another Twitter user recorded a driver who appeared to be asleep behind the wheel on Interstate 5 in Los Angeles.
A driver on the Massachusetts Turnpike appeared to doze off behind the wheel while his passenger was also asleep, a video posted to Twitter in September shows.
In October, yet another California driver was recorded apparently sleeping while driving a Tesla on autopilot.