Why You Cannot Fall Asleep Fast Even When You're Exhausted
Tiredness and the ability to fall asleep quickly are related but not the same thing. Your brain can be physically fatigued while still actively monitoring a worry, a deadline, or a racing heart, and that monitoring alone is often enough to delay sleep onset regardless of how tired your body feels.
Is this the same thing as "wired but tired"?
Essentially yes. Being wired but tired usually...