Top Definition
Waking up in the middle of the night or very early morning and not being able to return to sleep.
I woke up this morning at 3:30am because of "Nocturnal Awakenings"
by The Sleep Expert June 20, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×