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0The best time to exercise depends on your body clock, study finds
This new study from Pakistan suggests synchronising exercise to match people's natural sleep-wake cycles or internal body clock could offer the greatest health benefits.
Volunteers who tried it had better sleep, lower blood pressure and healthier blood sugar levels overall.
In the study, a group of 40 to 60-year-olds with at least one heart risk were categorised: 70 as morning larks and 64 as night owls. Over three months, some did almost daily exercises at times that matched their body clock, while others did the opposite.
The findings suggested that forcing a 5am workout on a night owl didn't give great results. Why?
The researchers say because the body clock affects hormone and energy levels across the day, which in turn, could influence exercise performance and adherence.
词汇表
synchronise [ˈsɪŋkrənaɪz] v. （使）同步，（使）同时发生
sleep-wake cycles 睡眠觉醒周期
body clock 生物钟
blood pressure 血压
blood sugar levels 血糖水平
morning lark [lɑːk] 早起的人，百灵鸟型人
night owl [ˈaʊl] 夜猫子，晚睡的人
hormone [ˈhɔːməʊn] n. 激素，荷尔蒙
adherence [ədˈhɪərəns] n. 坚持，遵守
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