Overnight TI in TLE

Inclusion Criteria: * Age 18 - 70 years * Diagnosis of focal drug-resistant temporal lobe epilepsy * Candidate for in-laboratory overnight monitoring with PSG and scalp EEG, with ability to comply with study procedures * Stable antiseizure medication regimen for at least 1 week prior to admission * Capacity to provide consent Exclusion Criteria: * Generalized epilepsy syndromes or primary generalized seizures * Recent status epilepticus, seizure clusters requiring emergency intervention, or other features indicating unacceptable risk for monitored participation * Uncontrolled psychiatric illness (e.g., acute psychosis, severe untreated depression with high suicide risk) * Implanted electronic or metallic devices incompatible with TI (e.g., certain pacemakers, cochlear implants) as per device manual * Severe obstructive sleep apnea requiring immediate CPAP initiation and not yet treated * Dermatologic disease at electrode sites or known contact allergy to electrode materials * Pregnancy or breastfeeding * Concurrent enrollment in other interventional neuromodulation or pharmacological trials likely to confound EEG or sleep outcomes