Plain-language, evidence-tiered guides for anyone navigating the foggy, tired early weeks on a GLP-1 medication. Every article cites its sources.
Not a listed side effect, yet widely reported. Why that gap exists and what is likely behind the haze.
The heaviest tiredness usually spans the first 4 to 8 weeks, then fades. A realistic timeline.
When the tiredness will not lift, it is usually fuel, fluids, and sleep. The levers that move it.
Tired but wired is a common complaint. Why sleep gets bumpy and the habits that tend to help.
The start is when fog and fatigue peak. Why the early weeks are hardest and a plan to ride them out.