Is this the sinking, tremor feeling you get after your awake state, but before the sleep state? That weird limbo where, if your brain jolts back on from this st

Is this the sinking, tremor feeling you get after your awake state, but before the sleep state? That weird limbo where, if your brain jolts back on from this state, it's as if you awoke from a dream - even though you only dozed off for a couple of seconds?