It might be the last thing you feel like, but avoiding exercise because you're tired actually makes you feel worse. In a University of Georgia study, sedentary but otherwise healthy adults who began exercising lightly three days a week for just 20 minutes reported feeling less fatigued and more energized after six weeks.
这可能是你最不可能想到的原因,但因为累而不锻炼却会让你更难受。在格鲁吉亚大学的一项研究中,久坐但健康的成人开始每周轻度锻炼三次,每次只锻炼20分钟。六周后,这些人表示不再那么疲劳、也更有活力了。
This is because regular exercise makes your heart and lungs work more efficiently, delivering oxygen and vital nutrients around the body.
这是因为定期锻炼能使你的心脏和肺部更有效的运作,为身体提供氧气和重要营养物质。
2. You don't sleep as well as you think
2. 你的睡眠质量没你以为的那么好
Recent research shows many of us survive on so-called 'junk sleep' - the kind when we wake up frequently throughout the night. It doesn't replenish our energy levels as well as long stretches of continuous sleep.
最近的研究表明,很多人都在所谓的"垃圾睡眠"中幸存--也就是整个晚上会醒好多次。在这种情况下,我们的能量水平得不到补充、长时间的睡眠也得不到保证。
Junk sleep can be caused by stress, but also by over-stimulating the brain too close to bedtime. For example, by checking emails or using tablets and smartphones that emit a blue light found to disrupt sleep by tricking the brain into producing 'wake-up' hormones right when you need to wind down.
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