Toning down a jumpy sympathetic nervous system will encourage a balanced sleep/wake cycle in perimenopausal women.

缓和跳跃的交感神经系统将促进更年期妇女睡眠/唤醒周期的平衡。

youdao

This could be due to the effects of our natural sleep-wake cycle, or circadian rhythm, the researchers suggest.

研究者表明，这是由于我们的自然睡眠-觉醒周期或者昼夜节律的影响。

youdao

Your brain is most alert one to two hours after waking, according to the Sleep-Wake Disorders Centre in New York.

根据纽约的睡眠障碍中心的观点，在醒来后的一到两个小时，你的大脑是最为清醒的。

youdao

The amount of sleep was based on their reporting of a child's usual bedtime and wake time.

VOA: special.2010.06.09

And then you do twenty-plus miles the next day,you sleep in a tent, you gotta wake up and you got to do it again.

VOA: special.2009.11.02

"You train,you raise money. So you walk twenty miles your first day, you sleep in a tent, you wake up I got to do this again?

VOA: special.2009.11.02

Vanda Pharmaceuticals said yesterday it is testing its melatonin-stimulating drug tasilmelteon in something called Non-24-Hour Sleep Wake Disorder.

FORBES: Helping Blind Patients To Sleep

In another experiment the researchers wake up sleeping mice by sending a light signal to the hypothalamus, the brain's controller of sleep-wake cycles.

FORBES: Magazine Article

"You need enough sleep to wake up and not feel tired and fatigued the next morning, " he says.

WSJ: When It's Worth It to Skip a Workout and Sleep