I have a beautiful 4 year old that won't sleep. Suspected ADHD and ASD currently waiting for diagnosis. She bounces from thing to thing. I love my kids but recently Im feeling depressed. I need some real sleep. Im moody during the day. Crying all the time. Feeling overwhelmed. She has horrible behaviour day and night. I have other kids as well to try and navigate. How do people survive on little to no sleep?. Thanks guys I suppose this is a rant as well.