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NewYork-Presbyterian Hospital The University Hospital of Columbia and Cornell

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Recent Questions:

  1. What exactly is "chronobiology"?
  2. Is it correct for someone to use melatonin together with alprazolam for treating insomnia? Could they be taken at the same time?
  3. I am a 55 year old male with lifelong severe late sleep onset/awakening. I had put my 10,000 lux light away for the winter. However, I have relapsed in terms of the late Onset/awakening. Now, I am redeploying my light, this time with an automati ...
  4. I seem to stay awake and alert until 4 am or later; I am just not tired. But I will wake with the faintest first light of dawn, after just a few hours sleep, and exhausted all day. On a camping trip I will tend to go to sleep earlier. If I cover my ...
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