帮助午睡

gene mapping───[遗]基因图谱

mole mapping───摩尔映射

petnapping───抚摸

self-tapping───自攻型（螺丝钉的一种类型，不用预先旋出螺纹，自己会旋出螺纹）

happy slapping───开心掌掴

phone tapping───电话窃听

telephone tapping───电话窃听

Napping after studying can help with recall.───学习后小睡下能帮助记忆。

Napping after learning something new could help you commit it to memory - as long as you dream, scientists say.───科学家称，在学了一些新东西之后小睡一会儿能够帮助大脑记忆-只要你做了梦。

majority of people experience drowsiness in the afternoon and notice their productivity and mood starting to slip and napping will help combat this.───大部分人在下午都会感到睡意且意识到他们的工作效率和情绪都有所下降，小睡能帮助他们缓解。