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Disease

Insomnia

This disorder can make it hard to fall asleep, hard to stay asleep or both, even though you have the chance for enough sleep. It can drain your energy.
Disease

Amenorrhea

Absence of menstruation may be linked to an underlying, treatable condition. Learn about why it happens and when to seek help.
Disease

Ectopic pregnancy

Ectopic pregnancy occurs outside the uterus, threatening the mother's life. It can't continue normally. But swift treatment can prevent deadly blood loss.
Disease

Low sperm count

This health concern can make it challenging to start a pregnancy. Learn about possible causes and treatment.
Disease

Central sleep apnea

Find out how a mix-up in brain signals can affect your breathing during sleep, and learn how this sleep disorder can be treated.
Disease

Schizoid personality disorder

People with this mental health condition do not want to be with others. They stay away from social activities. They're limited in how they express emotions.
Disease

Dissociative disorders

These mental health conditions involve experiencing a loss of connection between thoughts, memories, surroundings, actions and identity.
Disease

Reactive attachment disorder

Reactive attachment disorder is when an infant or young child doesn't establish healthy attachments with parents or caregivers due to neglect.
Disease

Delayed sleep phase

Learn more about this sleep condition that causes a delay in usual sleep patterns.
Disease

Sleep terrors (night terrors)

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.

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