Lately, I have been waking up at 3 each morning and am unable to fall back asleep. I go to bed at a reasonable hour and try to maintain good sleep hygiene. Because of these early wakings, I am tired.

Forbes contributors publish independent expert analyses and insights. Caroline Castrillon covers career, entrepreneurship and women at work. From Apple CEO Tim Cook to Vogue editor-in-chief Anna ...

Getting enough sleep is key to warding off a host of health issues. While falling asleep fast is the goal for some, and staying asleep is the dream for others, it’s normal for your sleep to change ...