Register now for unlimited free access!

A valid email address. All emails from the system will be sent to this address. The email address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by email.
Several special characters are allowed, including space, period (.), hyphen (-), apostrophe ('), underscore (_), and the @ sign.
Provide a password for the new account in both fields.
Back to top

Primary Insomnia

Difficulty in initiating or maintaining sleep. A term that is employed ubiquitously to indicate any and all gradations and types of sleep loss.* Insomnia may be associated with any of a number of mental disorders. When the problem exists in the absence of another cause, it is considered a separately diagnosed Dyssomnia.

Old criteria for this diagnosis.


Books, etc.