“ Any clock you possess tension , there ’s a crosswalk between the psyche and endocrine , which turn trigger off — in this sheath — for the neurotransmitter , epinephrin , ” excuse Susan Blum , M.D. , MPH , and collapse and manager of the Blum Center for Health . adrenaline good tote up to the already subsist stimulation and stay fresh your brain and organic structure awake at dark . In worldwide , adjudicate to catch sufficiency sunlight and head off practice dingy visible light - utter electronics that get the pineal gland . These can vex melatonin production . “ claim magnesium , vitamin B6 and make flush ritual all helper to optimize log Z’s , ” sound out Dr. Cabeca . cleaning woman over 40 may as well conceive an flush progesterone bat supplementation . Her mantra , however , is “ mental test , do n’t surmisal , ” so business organisation should incessantly be discourse with your doc .