I was diagnosed with insomnia a few years ago so basically my sleep pattern is completely messed up. I tend to get to sleep anywhere between 2am on a good day and 6/7am on a bad day (quite often just won't be able to sleep at all), and wake up between 5-10am, so it's really varied and very very very tiring. Running on around 8-10 hours for a 7-day period is not nice haha, but occasionally I'll just crash and sleep for pretty much a whole day straight as a result of it so yeah, fun times! It's somewhat useful having the nights free to do work and stuff if you know you're just not going to sleep though, so that's a bonus I guess.