Millions of Americans wake up exhausted every day and assume it's simply part of getting older. But chronic fatigue is often a sign that something deeper is going on. In this article, Dr. Bryan Mabry explores the hidden causes of persistent tiredness—from sleep apnea and shift work to stress, hormones, metabolic health, and vitamin deficiencies—and explains why stimulants and supplements often fail to address the root cause.

If you rely on a drink to wind down at night, it may be the reason you’re waking up exhausted. Learn why alcohol is a poor sleep aid and how it interferes with deep, restorative sleep.