It Might Not Be Physical
If you're sleeping 7+ hours and still exhausted, the cause is probably not physical. Decision fatigue, emotional labor, chronic low-level stress, and lack of purpose all produce fatigue that sleep can't fix.
The Energy Audit
Track what gives you energy and what drains it for one week. Most people discover that specific people, activities, or environments are energy black holes — and that eliminating or reducing them produces more energy than any supplement or sleep hack.
The Life Expectancy Connection
Chronic fatigue is your body's warning system. Persistent tiredness correlates with elevated cortisol, weakened immunity, and reduced lifespan. Ignoring it doesn't make it go away — it makes the consequences worse.