What you have is called sleep maintenance insomnia (SMI). It is common in adrenal exhaustion, and can be related to many issues, including metabolic and insulin as well as ANS dysfunction. The good news is that it can be reversed . usually takes 8-12 weeks with natural compounds under able hands and not trial and error which can make things worse. . The key is to understand the root cause first. Read my article " Adrenal fatigue and sleep" to start. the nutrients you mention generally will not have SMI.