From: Efficacy and hypnotic effects of melatonin in shift-work nurses: double-blind, placebo-controlled crossover trial
Mean (SD) or percentage (n)
Sex
80.2% female (69)
Age
30.05 (5.2)
Mean BMI in kg/m2
26.7 (3.1)
Subjective sleep onset latency in min
37.5 (41.3)
Subjective number of awakenings
5.2 (2.1)
Subjective duration of sleep in min
450.5 (82.3)