ABSTRACT

Emergency responders often credit ‘adrenaline’ (i.e. sympathetic activity) as the reason they respond quickly upon waking, unimpaired by sleep inertia. Movement upon waking may promote sympathetic activity in this population. This pilot study (n = 4 healthy males) tested the effects of a 30 s exercise bout (maximal sprint) upon waking during the night (02:00 h) on sympathetic activity and sleep inertia. When compared to sedentary conditions, exercise reduced subjective sleepiness levels and elicited a temporary increase in sympathetic activity, measured by plasma noradrenaline levels. These findings provide preliminary support for exercise as a potential sleep inertia countermeasure.

摘要

紧急情况响应者通常将“肾上腺素”（即交感神经活动）归因于他们醒来后迅速做出反应的原因，而不受睡眠惯性的影响。醒来时运动可能会促进该人群的交感神经活动。这项初步研究（n = 4名健康男性）测试了夜间（02:00 h）醒来时进行30 s运动回合（最大冲刺）对交感神经活动和睡眠惯性的影响。与久坐不动相比，运动可降低主观嗜睡水平，并通过血浆去甲肾上腺素水平来衡量交感活动的暂时增加。这些发现为运动作为潜在的睡眠惯性对策提供了初步的支持。