I finally know what is setting off these bouts of not sleeping. I have neuropathy in the leg where I had a very large skin graft placed. In the middle of the night my leg will start acting up and my sleep gets interrupted. I end up having to get up, take 8 mgs. of gabapentin and stand until it kicks in. That can take anywhere from 20 minutes to 45 minutes. By then I am wide awake and am off to a round of not sleeping at nights for a week or even longer. Before you know it, I am in a vicious cycle. Up for 24 hours or longer, sleep around the clock or longer. Drives me crazy. I am now getting smarter in scheduling my medical appointments.
I try to make them for the afternoon. But this is not always possible. My cardio only sees patients in the morning, and my cardio vascular doctor has afternoon patients. If I didn't have so many medical appointments, it wouldn't bother me. One good thing that all this crazy weather is doing, is making it impossible to keep any appointments. All appointments have been cancelled until further notice. Yea! It gives me time to deal with this crazy problem. I can't even make it to Winthrop. Just too much dang snow. Vehicles can barely get in and out of our driveway. There is just no place to put anymore snow. So while they work on that problem, I will work on mine.
Helpful hint with the Gabapentin, you should take it every night before bed, not wait until your leg gets twitchy. Avoid the problem, don't wait until it happens, that's why it takes so long for it to work and you lose sleep.
Mom swore gabapentin didn't work very well for her, she was only taking it when her pain was a 7 or 8 out of 10, once she started taking it regularly it worked wonders, her pain never got over a 5 out of ten. If this is a benefit to you and scheduling it works, tell your doctor and get a regular prescription instead of an as needed.
As for Insomnia, it is more common in women and tied to hormonal cycles, then completely goes nuts once we hit menopause.