Posted by DSPS on June 24, 2009 at 15:38:16:In Reply to: Insomnia + ??? posted by shamblers on June 17, 2009 at 15:26:12:
You don't say how old you are. If the sleep problems you describe started in early puberty or earlier, check out DSPS, Delayed Sleep Phase Syndrome (or Disorder). There's an article on Wikipedia and more info at dspsinfo.org
It's a circadian rhythm disorder. Sleeping 3-4 a.m. to noon or one p.m. is typical. Sleeping longer than 8 hours is typical.
Keep in mind, too, that it is not uncommon to have two sleep disorders. Even if you do have DSPS you may need to be checked for apnea or restless legs in addition.