Stathi has returned around six months since the last appointment. During that time, Stathi has continued to experience perceived sleep onset insomnia of a couple of hours and as a results, often takes Panadeine Forte. He generally retires to bed ata round 10.00pm. He is waking at around 7.00am, consistently feeling unrefreshed and is aware of daytime tiredness. He is not aware of any problems when driving. He avoids daytime naps.

Stathi underwent a repeat diagnostic sleep study with sleep latency test and interestingly, despite a perceived sleep latency of 60 minutes, true sleep latency was only 11 minutes. There was no notable sleep apnoea or periodic limb movements. The multiple sleep latency test revealed a reduced mean sleep latency