Why am I so tired?
The answer can be elusive. It can also be complicated by several factors.
But for many people, the answer is as simple as not getting enough sleep.
"The majority of people experience bad sleep as a result of poor sleep habits — either they're not getting enough sleep or they're not being consistent with their bedtime," explains Dr. Ali Sawal, a primary care practitioner at Houston Methodist.
But how do you know if your sleep habits and schedule really need work?