Hi 251turnaround,
I agree with you, sleepless night, especially consecutive nights, can feel hopeless and we do need our sleep.
All types of factors might have an impact upon our sleep. I'm up tonight because I am very concerned about a couple of friends.. I'd been dreaming about this and have found the dreams unsettling..I
You might find the thread "The Cool insomnia Club" helpful.. Many there have been sharing about sleeping difficulties and are sometimes sharing strategies.
I hope you'll find whatever you need in order to sleep well.