I'm actually not even sure if 'Dysania' is something official, but I can say that it happened/happens to all of us. Clinomania, or Dysania as it is more commonly known, causes sufferers to find it extremely difficult to get out of bed in the morning. More info at links #1 , #2 It took me nearly 5 bloody years to realize that going to sleep at 5 AM and waking up at 10 AM with a cancer-stick in my mouth, won't really help me feel awesome through my day. Used to feel tired and such... all of these until I started to (try) going to bed more often around midnight (11 PM - 2 AM) and waking up in the morning, going straight to eat something, taking a shower and sometimes even go for a run without lighting up anything for at least 1 hour. Eventually later on, found out that going regularly to the gym improves both the sleeping quality as well as the freshness I feel during the whole day. These simple things helped me feel great through the day and the energy I have now is transformed into an amazing productivity, compared to the days where I was waking up so tired that any mood for anything was like instantly ruined. The problem is that usually, the old bad habits catch you up form time to time and you find yourself trapped again in this 'problem', especially when you have some IM projects for which you are working intense and things gets unbalanced due to too much ambition.. (?) On a side note, I always wondered how come this 'didn't happen' to my parents, when I remember them in the past waking up every morning to go to their job, they were happy and energetic every single day... made me wondered if there's something extra in that coffee ;D Maybe it becomes a habit..