Evaluation of the Effect of Neurofeedback Targeting EEG Theta / Beta Activities on the Strengthening of Wakefulness Maintenance Capacities and Cognitive Performance.

Inclusion Criteria: * Male or female aged between 18 and 35 years old, * Healthy subject, no pathology reported at the interview * Absence of EDS complaints (total ESS score\<11) and sleep complaints (total Insomnia Severity Indexscore \<15) * Presence of an objective EDS measured by a mean sleep latency of less than 30 minutes on the wakefulness maintenance test performed after a night of total sleep deprivation under controlled conditions (at the inclusion visit), * Motivated to carry out the program of 8 neurofeedback sessions, * Body mass index \< 25 kg/m2, * Affiliated with the social security (beneficiary or entitled person), * Having been informed and having signed an informed consent. Exclusion Criteria: * All pathologies that may induce excessive daytime sleepiness: untreated narcolepsy or idiopathic hypersomnia, untreated sleep apnea syndrome, untreated restless legs syndrome, untreated periodic leg movement syndrome, unstabilized psychiatric disorders of the characterized depressive disorder type, anxiety disorders, bipolar disorder, addictive disorders (alcohol and drugs), obesity having undergone surgical treatment for less than 3 months. * Chronic insomnia disorder * Excessive consumption of coffee, tea, or caffeinated cola type beverages (\> 5 cups/day) * All pathologies making interaction with the neurofeedback device potentially problematic: intellectual, visual, auditory or motor impairment, psychotic disorders, unstable cardio-respiratory diseases, neuro…