Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Often a general lack of energy, even after an adequate night time sleep caused mainly by boring college classes or nothing to do. It is very common to young adults and teenagers.
the feeling of being tired and wanting to sleep:
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
