IDEALLY I get 7 hours most nights, and 12-15 once a week.
For the past few months? Eh. Keeping track is depressing. Not enough. Several 36 hour days with 4 hours and then another 36 hour day. About 2 weeks of 7 hours. A LOT of 2 hours here, 5 there, 7 here, 3 there. My mum took him one night and I slept for 10, woke for 6,and slept another 10. I sleep pretty decently in the hospital for the first week or two (because he's being monitored by someone else), and then my body starts complaining about the couch in the room and I can sleep until the meds wear off (about 5 hours). In both cases I wake whenever the alarms go off (sometimes several times an hour, sometimes not at all, and I just wake for vitals). Those are easy. One eye open, watch the monitors, and drift back to sleep. At home, I am the monitor, so I try and get half my sleep when he's awake (benefit of having an older kid), or when someone is with me (mom, friend, etc... my husband doesn't do monitoring since he leave right after he wakes up, and it's dangerous to wake him). We're having a lot more good nights, lately, so I've been sleeping more often/ regularly.
When we're not in medical mode, I usually go to bed around 2am and get up at 830. In medical mode I go to bed around 5am-6am and get up at 830 or 930.
The jehovah's witnesses always seem to come to the door when I'm laying on the couch catching a 2 hour nap while my son watches a movie, or when one of my husband's friends decides to stop by. Looking STELLAR there R.. Mom of the year.