sleeplessness

n.

失眠，警觉；

1. Sleeplessness is sure to tell on your health.
   失眠肯定会影响你的健康。
2. Recently,I often suffer from sleeplessness.
   我近来饱受失眠之苦。

Sleeplessness, night awakening, and night crying in the infant to toddler.
The medicalization of sleeplessness: a public health concern
Nonpharmacologic treatments for pediatric sleeplessness.
Sleepiness, sleeplessness, and pain in end-stage renal disease: distressing symptoms for patients.
Sleepiness, sleeplessness, and pain in end-stage renal disease: distressing symptoms for patients.
Prevalence of reported sleeplessness in northern Norway in relation to sex, age and season
Academic Highlights: Sleepiness Versus Sleeplessness: Shift Work and Sleep Disorders. [CME]
Milk intolerance in children with persistent sleeplessness: a prospective double-blind crossover evaluation
Effect of the defatted rice germ enriched with GABA for sleeplessness, depression, autonomic disorder by oral administration.
The unfavorable effects of concomitant asthma and sleeplessness due to the atopic eczema/dermatitis syndrome (AEDS) on quality of li...