My sleepingness

Wow I stayed up till 5am last night. i havnt done that for years. latly ive had the wierdest sleeping patterns for weeks ill go to bed at 9 or 10 then BAM! i stay up till 5 and sleep in till 2pm.  I have the wirdest sleeping habits! what kind of habbits or patterns do you have in your life? tell me your NESS. (For instance my ness in this topic is saying up randomly one night for no reason.)