Why is he sleeping so much?

My husband was recently diagnosed with ADHD. He got prescribed Dex. He takes it when he wakes up. He only has a part-time job, so he has to go to work only twice a week. On work days he gets up early with an alarm. Then at night he either stays up late or takes a nap for a couple of hours in the evening and then wakes up to stay up until sunrise. When he doesn't have to get up for work he doesn't set the alarm and sleeps in till 4pm. Then takes a nap in the evening. Sometimes he wakes up for "breakfast" which is already lunch and goes back to bed after he eats. He wakes up when it's "normal bedtime" and again stays awake at night. Sometimes he goes to bed early at night, sleeps till 6am, then goes back to bed at 10am and sleeps through the day. He takes the meds when he gets up, so if he doesn't set the alarm he just chooses to sleep in because he wants to. Then he gets frustrated that he hasn't done anything. His sleeping looks really irregular and sometimes adds up to 20 hours a day! His psychiatrist checked for depression and decided that there is no depression. He just gets upset with himself because he can't get things done because of ADHD. I ask him why he stays up so late and doesn't just make himself go to bed: he doesn't know. When I try to talk in the bedroom he has no problems falling asleep the minute his head hits the pillow.

Is this pattern common for ADHD? OR is it depression? Or something else? 

I do this too...

I'm not sure why- but I have a hard time getting up and putting myself to bed when I should. I know it's good for me to stay up late... but I for some reason find it hard to go to bed... It's not as extreme as in your husband's case because I have a full time job and a little 3 year old to take care of- but I am definitely sleep deprived. I should get in bed sooner... I am not sure how you can change this- he has to want it to change and to force himself to just go to bed earlier and get up on time.


Doesn't sound like ADHD

A lot of us ADHDers have sleep issues, but this sounds like he needs to do a night at a sleep lab for a sleep study.  I average 6-7 hours a night.  Sometimes, it's not enough, but 20 hours is not normal, even by our standards ;)!  It could be depression, narcolepsy, who knows.  But his body is trying to tell him SOMETHING; something is amiss...