What happens in fatal familial insomnia, exactly?

What is it? Fatal familial insomnia (FFI) is a very rare genetic disease. The average age of onset is 50. Symptoms start as an increasing insomnia that eventually results in panic attacks, paranoia, and phobias. Then hallucinations and panic attacks become even more severe. Eventually the person is not able to sleep at all, which… Continue reading What happens in fatal familial insomnia, exactly?

What happens in delayed sleep-phase syndrome, exactly?

What is it? Delayed sleep-phase syndrome (DSPS) is a chronic dysregulation of a person’s sleep-wake cycle. The most visible symptoms often present themselves as falling asleep a lot later than the general norms of the surrounding society would allow, even if the person is regularly woken up after insufficient sleep. The syndrome also affects the… Continue reading What happens in delayed sleep-phase syndrome, exactly?