Sleepless nights? Insomnia includes difficulty going to sleep, staying asleep or going back to sleep after you awaken. Insomnia may be temporary or chronic.



Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Tests and diagnosis

Polysomnography (sleep study)

Polysomnography is an overnight sleep study used to diagnose sleep apnea and other sleep disorders.

Treatments and drugs

CPAP machines: Tips for avoiding 10 common problems

Practical tips for avoiding problems with CPAP — the primary treatment for obstructive sleep apnea.


Jul. 24, 2012

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