Sleep 7–9 hours consistently
Keep a regular sleep schedule
Stay hydrated
Eat balanced meals with enough protein, fiber, and healthy fats
Limit added sugar and highly processed foods
Reduce alcohol intake
Avoid or limit recreational drugs
Manage stress with relaxation techniques
Exercise regularly
Get natural light exposure daily
Take short breaks during long mental tasks
Use a task list to reduce mental overload
Focus on one task at a time
Limit multitasking
Check for and treat sleep apnea if present
Review medications for brain fog side effects
Address vitamin or mineral deficiencies
Manage blood sugar if you have diabetes or prediabetes
Treat thyroid problems if present
Address depression or anxiety
Reduce screen time before bed
Keep caffeine moderate and avoid late-day use
Stay socially connected
Seek medical evaluation if brain fog is persistent or worsening