Sleeping too much or not enough are the by-products of several personality disorders. And it's not just insomnia or excessive sleepiness that one may suffer - even sleeping patterns may change. One may feel sleepy in the daytime and active at night. Or they may find it hard to sleep in certain circumstances, such as foreign surroundings, at specific temperatures, etc.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.