1. If you’re feeling sleepy, hold your breath for as long as you can and then release it.
太困的时候但还有事情没做完?
深吸一口气然后憋气，直到受不了为之再吐气。睡意就会消很多!
2. Scratch your ear if you have a tickle in your throat.
喉咙痒痒的吗?其实抓抓耳朵就能止痒。
3. Keep an onion near you at night if you have a stuffy nose.
鼻塞让你难以入睡的话，晚上睡觉时不妨放一颗洋葱在旁边就会好很多。
4. Press your tongue firmly against the back of your teeth to prevent a sneeze.
想打喷嚏?!用舌头抵住上排牙齿的后方就可以阻止喷嚏打出来了。
5. If you are about to start gagging, tuck your thumb in your fist and grip it tightly.
想吐又止不住的时候，就把拇指塞进拳头，再紧紧握住。
6. If you are having trouble falling asleep, blink fast for a minute.
难以入睡?!快速眨眼一分钟会很快产生睡意。
7. Pinch yourself if you just can’t stop laughing.
笑到不行的时候，捏一下自己就能止笑了。
8. If you have a toothache, rub some ice between your thumb and forefinger. This can relieve the pain by up to 50 percent.
牙痛的时候试着在虎口处用冰块摩擦，这样可以降低疼痛感，经实验证实最多可减少50%!
9. Put your hands in ice water and flex them if you have a migraine.
把手放进冰水里并握拳几次，可以舒缓头痛的症状。
小伙伴们~你们还知道哪些其他关于身体的冷知识，欢迎留言分享哦!
