{"version":"1.0","type":"link","title":"K-complex - Newikis","description":"A K-complex is a waveform that may be seen on an electroencephalogram (EEG). It occurs during stage 2 NREM sleep. It is the \"largest event in healthy human EEG\". They are more frequent in the first sleep cycles.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/7/71/Stage2sleep_new.svg/1280px-Stage2sleep_new.svg.png","thumbnail_width":1280,"thumbnail_height":659}