i'll wake, have a *flash* thought: "It's 4:17 AM", then raise my body up and look at my alarm clock... it's 4:17 AM.
https://www.reddit.com/r/Glitch_in_the_Matrix/comments/1wuxas/waking_up_and_knowing_the_exact_time/(http://www.autoadmit.com/thread.php?thread_id=4030802&forum_id=2#36463928)