Waking up in the middle of the night could signal health issues related to stress, diet, or vitamin deficiencies. Dr. Eric ...

This disruption of the circadian rhythm can cause a person to feel very awake at 2 am, and very tired at 8 am. Dr. Berg shares his own experience with insomnia, describing it as "torture." ...

But once bedtime rolls around, I find I couldn’t be more wide awake. While this loop I have ... In the morning, that melatonin could still be in production mode, causing sleep inertia, a ...