internal rhythm

基本解释

Try not to nap too close to bedtime or for more than 90 minutes. Doing so can throw off your body's internal rhythm.
打盹时间不要同睡觉时间相隔太短，或者说，要在一个半小时以上。这样一来能…节奏。
bbs.chinadaily.com.cn
Sticking to a schedule allows your body to set its internal rhythm so you can get up at the time you want, consistently, every single day.
严格遵守时间表让你的身体可以调整好内部节奏，这样一来你就能在你想要起床的时间起床了，每一天都要始终如一地坚持下去。
Sticking to a regular bedtime and wake time schedule helps keep you in sync with your body's circadian clock, a 24-hour internal rhythm affected by sunlight.
坚持按时睡觉和起床能帮助你保持和自己的生物钟同步，生物钟是受阳光影响的24小时的内在节奏。

内部节奏
Leon·Moses nake said, "Internal rhythm—this is the rhythm of the internal lens.
莱昂·摩西纳克指出:“内部节奏——这是镜头内部的节奏。