These are times of screaming or crying, intense fear, and sometimes waving arms and legs during sleep. The person often sits up in bed, looking scared.
Disease
Jet lag disorder
Jetting across time zones can take a toll on your body's internal clock. Find out how to cope with fatigue and other symptoms while traveling.
Disease
Narcolepsy
Learn more about this sleep condition that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
Disease
Pediatric obstructive sleep apnea
This condition can cause your child's breathing to become partly or completely blocked many times during sleep. Get to know the symptoms and treatments.
Disease
Gender dysphoria
Learn about treatments that can help ease the distress that can happen when there's a difference between gender identity and sex assigned at birth.
Disease
Medulloblastoma
Medulloblastoma is the most common cancerous brain tumor in children. Treatment usually includes a combination of surgery, radiation and chemotherapy.
Disease
Intussusception
This rare but serious disorder occurs when one part of the intestine slides into another part, like a collapsible telescope.
Disease
Vaginal cancer
Learn about the symptoms of this rare type of cancer. Treatments for cancer of the vagina include surgery, radiation therapy and chemotherapy.
Disease
Nasal and paranasal tumors
Learn about these cancerous and noncancerous growths that form in and around the nose. Treatments include surgery, radiation and chemotherapy.
Disease
Thoracic aortic aneurysm
Learn about this serious condition in which the upper part of the body's main artery becomes weak and may rupture.
Disease
Spontaneous coronary artery dissection (SCAD)
A torn blood vessel in the heart can cause a heart attack. Learn about the diagnosis and treatment of this medical emergency.