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If you're struggling to get your Zzz's, it's time to reassess your bedtime routines.

Cognitive behavioral therapy can help patients shed bad habits and anxious thoughts that make for sleepless nights.

A lack of sleep is associated with higher risk of heart disease—but the link might have more to do with genetics.

A full night's sleep could lead to improved mood and better brain function, boosting creativity, accuracy and memory.

An afternoon rest has its distinct advantages—but watch out for the downsides.

Researchers identify dozens of new gene regions linked to insomnia, paving the way for possible therapeutic targets.

The optimum amount of sleep to keep your brain performing its best is seven to eight hours every night.

Prolonged nightly sleep deprivation or excessive sleeping should be avoided to maintain a healthy lifestyle.

The good news: Most who suffer a bout of acute, new-onset insomnia will recover and go on to gain restful slumber.