Klein-Levin Syndrome (KLS) is an extremely rare neurological disorder which can manifest as recurring spells of sleepiness. cognitive disturbances and behavioral changes. We present a novel case of KLS relapse in the setting of Coronavirus disease-19 (COVID-19). A 36-year-old male who had a known history of KLS since adolescence was admitted with sleepiness and behavioral disturbances. https://www.marcelovicente.com/product-category/anti-frizz-spray/