Sleep deprivation does not reset the circadian clock of DSPD patients, as it does with normal people. Delayed sleep phase disorder - Wikipedia If you complained of insomnia and got pissed off at people who say "just start getting up early so at night you will be tired" diagnosis confirmed. DPSD, I leaned to quit fighting it. I will never be a morning person. Its actually kind of terrible, I don't like morning people. They think they are better then other people. I got up 'bright and early' and did this and that aren't i so great !!! So wonderful ! Screw you. I got the job done the night before wile YOUR lazy ass was sleeping.