Seiji Nishino, a sleep researcher at Stanford Uniersity in California, notes that the data come from a single drug dose gien to 42 healthy males with no history of sleep disorders.

• 一位加尼弗利亚洲斯丹佛大学的睡眠研究员SeijiNishino记录了42位无睡眠紊乱史的健康男丁单一服用该药物的资料。