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Table 1 Demographic and subjective sleep data of subjects (N = 86)

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)