What is sleep inertia?
Sleep inertia is temporary grogginess and reduced alertness right after waking.
Free Wellness Tool
Sleep Inertia Test + Wake-Up Planner
Free sleep inertia test and wake-up planner. Assess morning grogginess and generate a practical first-hour protocol.
Questions
Why do some mornings feel worse?
Irregular sleep, insufficient light exposure, deep-sleep awakening, and repeated snoozing can worsen inertia.
Can this planner replace medical evaluation?
No. It is an educational planning tool, not medical advice or diagnosis.