lack of sleep = you should have your cortisol levels tested gp can order testing- i think I did both urine - 24 hour as well as saliva am mid morning pm night tests.For good measure get your thyroid checked as well. For your immune issues get some tests to check the levels of IgG IgE IgA Igm - simple blood work your gp can order. You need to establish a healthy sleep routine and avoid any stimulant that would keep you awake.

Sleep is very important! You can do all things right, but it is still a main player in health. I would focus at least on bumping it up to 6 hours for now and then 8. Your body will only keep breaking down.

Recipe to boost your immune system:
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1/2 tsp Himalayan salt or Real Salt
1/2 tsp Vitamin C crystals (Ascorbic Acid)
2 tsp beet powder
1 tsp blueberry powder
1 tsp ginsing powder
1 tsp turmeric powder
1 tsp kale powder

Mix in blender with 1 cup of V8 low sodium veggy juice. All are available at Amazon.Com

To promote sleep & vivid dreams
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500mg Vitamin B3 Nicin (Flushing)

Take 1/2 pill to start with dinner, the flushing will make your skin hot but you will get used to it, then titrate to the full 500mg. Niacin opens up capillaries to the body & brain for a more sound sleep with vastly improved dreams.

"...Insomnia
Niacinamide activates benzodiazepine receptors in the brain, which affects sleep. Dosages of 50 mg to 1,000 mg of niacinamide taken at bedtime have helped many people sleep better. (Niacin can also be used since your body can easily convert it to niacinamide.)"

Full report on Niacin:
http://www.drdavidwilliams.com/niacin-benefits/

Niacin makes me sleep like a teenager, I am taking 1,000mg just before bed.

Also great for the cardiovascular system & to prevent dementia.

Grizz