I feel sleepy at night and right when I'm about to fall asleep like light dreaming mode, my body/brain sends a shocking signal waking me up kinda like an anticipation feeling (the feeling of an clock alarm waking you up). It would happen all night long it it blocks me from sleeping and last night had less than two hours of sleep. I took melatonine and NyQuil but the jolting feeling still over powers the medication. It's not a feeling of falling so it can't be hypnoic jerk. What could it be?